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STL Sprockets

STL Sprockets

ANSI: (35-1/41-1/40-1/40-2/40-3/50-1/50-2/50-3/ 60-1/60-2/60-3/80-1/80-2/80-3/100-1/100-2/ 120-1/140-1/160-1/200-1)
Inch size product (Apply to ANSI market)
STL Sprockets
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Description

Hangzhou Ocean Industry Co., Ltd. is one of the leading manufacturers and suppliers of stl sprockets in China. Welcome to wholesale bulk durable industrial chains and power transmission parts made in China here from our factory. All customized products are with high quality and competitive price.

 

STL Sprockets mainly involves a series of industrial sprockets and chain links, which are widely used in various mechanical transmission systems. Our factory provides you with various types of sprockets, including single plate (single), double plate (double), and triple plate (three). The specific product models include DS40-STL, DS50-STL, DS60-STL, DS80-STL, and DS100-STL, which are suitable for the ANSI market. These sprockets are typically made of 316 stainless steel and have extremely high corrosion resistance. The design of the sprocket includes plastic bushings, stainless steel pins, and outer plates, which give them a longer service life than other lightweight sprockets. STL Sprockets are widely used in bicycles, motorcycles, industrial machinery, and many other mechanical devices for transmitting rotational motion and force.

In summary, the sprocket products provided by STL Sprockets not only focus on durability and corrosion resistance in material selection, but also consider convenience and reliability in practical applications in design, making them an ideal choice for industrial transmission systems.

 

Parameter

 

Product range

Standards Series Type Size Range
ANSI 35-1 For 3/8''Pitch STL-35G15H to STL-35H112
41-1 For 1/2"Pitch STL-41G12 to STL-41P112
40-1 For 3/4"Pitch STL-40G12H to STL-40Q112
40-2 For 1/2"Pitch STL-D40H15H to STL-D40Q112
40-3 For 1/2"Pitch STL-T40P18H to STL-T40Q102
50-1 For 5/8''Pitch STL-50G11H to STL-50Q112
50-2 For 5/8"Pitch STL-D50H14H to STL-D50R112
50-3 For 5/8''Pitch STL-T50P15H to STL-T50R102
60-1 For 3/4"Pitch STL-60G10H to STL-60R112
60-2 For 3/4"Pitch STL-D60P13H to STL-D60R96
60-3 For 3/4"Pitch STL-T60P13H to STL-T60S68
80-1 For 1"Pitch STL-80H10H to STL-805112
80-2 For 1"Pitch STL-D80P13H to STL-D80U95
80-3 For 1"Pitch STL-T80P13H to STL-T80U95
100-1 For 1 1/4"Pitch STL-100P11H to STL-100R84
100-2For1 1/4"Pitch STL-D100P11H to STL-D100580
120-1 For1 1/2"Pitch STL-120Q11H to STL-120580
140-1 For 1 3/4"Pitch STL-140Q11H to STL-140S80
160-1 For 2"Pitch STL-160R11H to STL-160U80
200-1 For 2 1/2"Pitch STL-200R12H to STL-200U60

 

STL Sprocket

35-1 For 3/8'' Pitch

35-1



Teeth

No.		 Catalog Type Diameters Bushing Dimensions
wt
Less
Bushing
O.D. P.D. T OL L P C H
15
16
17
18
19		 STL35G15H
STL35G16H
STL35G17H
STL35G18H
STL35G19H		 1
1
1
1
1		 1.99
2.10
2.23
2.35
2.47		 1.804
1.922
2.041
2.159
2.278		 G
G
G
G
G		 0.168
0.168
0.168
0.168
0.168		 111/32
111/32
111/32
111/32
11/4		 1
1
1
1
1
1
1
1
1
29/32		 5/32
5/32
5/32
5/32
1/16		 2
2
2
2
2		 0.3
0.3
0.3
0.3
0.3
19
20
21
22
23		 STL35H19H
STL35H20H
STL35H21H
STL35H22H
STL35H23H		 1
1
1
1
1		 2.47
2.59
2.70
2.83
2.95		 2.278
2.397
2.516
2.635
2.754		 H
H
H
H
H		 0.168
0.168
0.168
0.168
0.168		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 15/32
15/32
15/32
15/32
15/32		 1/16
1/16
1/16
1/16
1/16		 21/2
21/2
21/2
21/2
21/2		 0.5
0.5
0.6
0.7
0.7
24
25
26
28
30		 STL35H24H
STL35H25H
STL35H26H
STL35H28H
STL35H30H		 1
1
1
1
1		 3.05
3.19
3.31
3.55
3.79		 2.873
2.992
3.111
3.349
3.588		 H
H
H
H
H		 0.168
0.168
0.168
0.168
0.168		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 15/32
15/32
15/32
15/32
15/32		 1/16
1/16
1/16
1/16
1/16		 21/2
21/2
21/2
21/2
21/2		 0.8
0.8
0.8
0.9
0.9
32
35
36
40
42		 STL35H32H
STL35H35H
STL35H36H
STL35H40H
STL35H42H		 1
1
1
1
1		 4.03
4.39
4.51
4.99
5.23		 3.826
4.183
4.303
4.780
5.018		 H
H
H
H
H		 0.168
0.168
0.168
0.168
0.168		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 15/32
15/32
15/32
15/32
15/32		 1/16
1/16
1/16
1/16
1/16		 21/2
21/2
21/2
21/2
21/2		 0.9
1.0
1.0
1.2
1.2
45
48
54
60
70		 STL35H45H
STL35H48H
STL35H54H
STL35H60H
STL35H70		 1
1
1
1
1		 5.59
5.95
6.66
7.38
8.58		 5.379
5.734
6.449
7.165
8.358		 H
H
H
H
H		 0.168
0.168
0.168
0.168
0.168		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 15/32
15/32
15/32
15/32
15/32		 1/16
1/16
1/16
1/16
1/16		 21/2
21/2
21/2
21/2
21/2		 1.4
1.5
1.8
2.3
2.8
72
80
84
96
112		 STL35H72
STL35H80
STL35H84
STL35H96
STL35H112		 1
1
1
1
1		 8.81
9.77
10.25
11.68
13.59		 8.597
9.552
10.029
11.461
13.371		 H
H
H
H
H		 0.168
0.168
0.168
0.168
0.168		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 15/32
15/32
15/32
15/32
15/32		 1/16
1/16
1/16
1/16
1/16		 21/2
21/2
21/2
21/2
21/2		 3.0
3.8
4.0
5.3
6.8

 

41-1 For 1/2'' Pitch

41-1



Teeth

No.		 Catalog Type Diameters Bushing Dimensions
wt
Less
Bushing
O.D. P.D. T OL L P C H
12
14
15
16
17		 STL41G12
STL41G14
STL41H15
STL41H16
STL41H17		 1
1
1
1
1		 2.17
2.49
2.65
2.80
2.96		 1.932
2.247
2.405
2.653
2.721		 G
G
H
H
H		 0.227
0.227
0.227
0.227
0.227		 17/16
17/16
11/2
11/2
11/2		 1
1
11/4
11/4
11/4		 11/32
11/32
13/32
13/32
13/32		 0.258
0.258
0.071
0.071
0.071		 2
2
21/2
21/2
21/2		 0.3
0.4
0.5
0.5
0.6
18
19
20
21
22		 STL41H18
STL41H19
STL41H20
STL41H21
STL41H22		 1
1
1
1
1		 3.14
3.30
3.45
3.62
3.75		 2.879
3.038
3.196
3.355
3.513		 H
H
H
H
H		 0.227
0.227
0.227
0.227
0.227		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 13/32
13/32
13/32
13/32
13/32		 0.071
0.071
0.071
0.071
0.071		 21/2
21/2
21/2
21/2
21/2		 0.7
0.8
0.8
0.9
0.9
23
24
25
26
27		 STL41H23
STL41H24
STL41H25
STL41H26
STL41H27		 1
1
1
1
1		 3.94
4.10
4.26
4.42
4.58		 3.672
3.831
3.989
4.158
4.307		 H
H
H
H
H		 0.227
0.227
0.227
0.227
0.227		 11/2
11/2
11/2
11/2
11/2		 11/4
11/4
11/4
11/4
11/4		 13/32
13/32
13/32
13/32
13/32		 0.071
0.071
0.071
0.071
0.071		 21/2
21/2
21/2
21/2
21/2		 1.0
1.1
1.1
1.1
1.1
28
30
32
35
36		 STL41H28
STL41H30
STL41H32
STL41H35
STL41P36		 1
1
1
1
2		 4.70
5.06
5.38
5.86
6.02		 4.466
4.783
5.101
5.578
5.737		 H
H
H
H
P1		 0.227
0.227
0.227
0.227
0.227		 11/2
11/2
11/2
11/2
23/16		 11/4
11/4
11/4
11/4
115/16		 13/32
13/32
13/32
13/32
123/32		 0.071
0.071
0.071
0.071
-		 21/2
21/2
21/2
21/2
3		 1.2
1.3
1.5
1.8
2.5
40
42
45
48
54		 STL41P40
STL41P42
STL41P45
STL41P48
STL41P54		 2
2
2
2
2		 6.55
6.97
7.45
7.93
8.89		 6.373
6.691
7.168
7.645
8.599		 P1
P1
P1
P1
P1		 0.227
0.227
0.227
0.227
0.227		 23/16
23/16
23/16
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 123/32
123/32
123/32
123/32
123/32		 -
-
-
-
-		 3
3
3
3
3		 3.0
3.1
3.5
4.0
4.6
60
70
72
80
84		 STL41P60
STL41P70
STL41P72
STL41P80
STL41P84		 2
2
2
2
2		 9.84
11.43
11.75
13.03
13.66		 9.554
11.145
11.463
12.736
13.372		 P1
P1
P1
P1
P1		 0.227
0.227
0.227
0.227
0.227		 23/16
23/16
23/16
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 123/32
123/32
123/32
123/32
123/32		 -
-
-
-
-		 3
3
3
3
3		 5.5
7.0
7.9
9.3
9.7
96
112		 STL41P96
STL41P112		 2
2		 15.57
18.12		 15.281
17.828		 P1
P1		 0.227
0.227		 23/16
23/16		 115/16
115/16		 123/32
123/32		 -
-		 3
3		 13.0
18.0

 

40-1 For 3/4'' Pitch

40-1

Teeth

No		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D PD T OL L P C H
12
13
14
15
16		 STL40G12H
STL40G13H
STL40G14H
STL40H15H
STL40G16H		 1
1
1
1
1		 2.17
2.30
2.49
2.65
2.80		 1.932
2.089
2.247
2.405
2.563		 G
G
G
H
G		 0.284
0.284
0.284
0.284
0.284		 11/2
11/2
11/2
119/32
11/4		 1
1
1
11/4
1		 11/32
11/32
11/32
11/8
25/32		 5/16
5/16
5/16
5/32
1/16		 2
2
2
21/2
2		 0.3
0.4
0.5
0.5
0.4
16
17
18
18
19		 STL40H16H
STL40H17H
STL40H18H
STL40P18H
STL40P19H		 1
1
1
2
2		 2.80
2.96
3.14
3.14
3.30		 2.563
2.721
2.879
2.879
3.038		 H
H
H
P1
P1		 0.284
0.284
0.284
0.284
0.284		 119/32
11/2
11/2
23/16
23/16		 11/4
11/4
11/4
115/16
115/16		 11/8
11/32
11/32
121/32
121/32		 5/32
1/16
1/16
-
-		 21/2
21/2
21/2
3
3		 0.6
0.6
0.7
1.2
1.3
19
20
20
21
21		 STL40H19H
STL40H20H
STL40P20H
STL40H21H
STL40P21H		 1
1
2
1
2		 3.30
3.45
3.45
3.62
3.62		 3.038
3.196
3.196
3.355
3.355		 H
H
P1
H
P1		 0.284
0.284
0.284
0.284
0.284		 11/2
11/2
23/16
11/2
23/16		 11/4
11/4
115/16
11/4
115/16		 11/32
11/32
121/32
11/32
121/32		 1/16
1/16
-
1/16
-		 21/2
21/2
3
21/2
3		 0.8
0.8
1.3
0.9
1.5
22
22
23
23
24		 STL40H22H
STL40P22H
STL40H23H
STL40P23H
STL40H24H		 1
2
1
2
1		 3.75
3.75
3.94
3.94
4.10		 3.513
3.513
3.672
3.672
3.831		 H
P1
H
P1
H		 0.284
0.284
0.284
0.284
0.284		 11/2
23/16
11/2
23/16
11/2		 11/4
115/16
11/4
115/16
11/4		 11/32
121/32
11/32
121/32
11/32		 1/16
-
1/16
-
1/16		 21/2
3
21/2
3
21/2		 0.9
0.6
1.0
1.7
1.2
24
25
25
26
26		 STL40P24H
STL40H25H
STL40P25H
STL40H26H
STL40P26H		 2
1
2
1
2		 4.10
4.26
4.26
4.42
4.42		 3.831
3.989
3.989
4.148
4.148		 P1
H
P1
H
P1		 0.284
0.284
0.284
0.284
0.284		 23/16
11/2
23/16
11/2
23/16		 115/16
11/4
115/16
11/4
115/16		 121/32
11/32
121/32
11/32
121/32		 -
1/16
-
1/16
-		 3
21/2
3
21/2
3		 1.8
1.3
2.0
1.4
2.0
27
27
28
28
29		 STL40H27H
STL40P27H
STL40H28H
STL40P28H
STL40P29H		 1
2
1
2
2		 4.58
4.58
4.74
4.74
4.90		 4.307
4.307
4.466
4.466
4.625		 H
P1
H
P1
P1		 0.284
0.284
0.284
0.284
0.284		 11/2
23/16
11/2
23/16
23/16		 11/4
115/16
11/4
115/16
115/16		 11/32
121/32
11/32
121/32
121/32		 1/16
-
1/16
-
-		 21/2
3
21/2
3
3		 1.4
2.1
1.5
2.2
2.3
30
30
31
32
33		 STL40H30H
STL40P30H
STL40P31H
STL40P32H
STL40P33H		 1
2
2
2
2		 5.06
5.06
5.22
5.38
5.54		 4.783
4.783
4.942
5.101
5.26		 H
P1
P1
P1
P1		 0.284
0.284
0.284
0.284
0.284		 11/2
23/16
23/16
23/16
23/16		 11/4
115/16
115/16
115/16
115/16		 11/32
121/32
121/32
121/32
121/32		 1/16
-
-
-
-		 21/2
3
3
3
3		 1.6
2.4
2.5
2.6
2.6
34
35
36
37
38		 STL40P34H
STL40P35H
STL40P36H
STL40P37H
STL40P38H		 2
2
2
2
2		 5.70
5.86
6.02
6.18
6.33		 5.419
5.578
5.737
5.896
6.055		 P1
P1
P1
P1
P1		 0.284
0.284
0.284
0.284
0.284		 23/16
23/16
23/16
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 121/32
121/32
121/32
121/32
121/32		 -
-
-
-
-		 3
3
3
3
3		 2.8
2.9
3.1
3.3
3.3
40
41
42
44
45		 STL40P40H
STL40P41H
STL40P42H
STL40P44H
STL40P45H		 2
2
2
2
2		 6.65
6.81
6.97
7.29
7.45		 6.373
6.532
6.691
7.009
7.168		 P1
P1
P1
P1
P1		 0.284
0.284
0.284
0.284
0.284		 23/16
23/16
23/16
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 121/32
121/32
121/32
121/32
121/32		 -
-
-
-
-		 3
3
3
3
3		 3.5
3.6
3.9
4.0
4.2
47
48
50
54
56		 STL40P47H
STL40P48H
STL40P50
STL40P54
STL40P56		 2
2
2
2
2		 7.77
7.93
8.25
8.89
9.20		 7.486
7.645
7.963
8.599
8.917		 P1
P1
P1
P1
P1		 0.284
0.284
0.284
0.284
0.284		 23/16
3/16
23/16
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 121/32
121/32
121/32
121/32
121/32		 -
-
-
-
-		 3
3
3
3
3		 4.6
4.8
5.0
5.5
5.9
60
60
70
70
72		 STL40P60
STL40Q60
STL40P70
STL40Q70
STL40Q72		 2
2
2
2
2		 9.84
9.84
11.43
11.43
11.75		 9.554
9.554
11.145
11.145
11.463		 P1
Q1
P1
Q1
Q1		 0.284
0.284
0.284
0.284
0.284		 23/16
225/32
23/16
225/32
225/32		 115/16
21/2
115/16
21/2
21/2		 121/32
27/32
121/32
27/32
27/32		 -
-
-
-
-		 3
41/8
3
41/8
41/8		 6.6
8.8
8.6
11.0
11.2
80
84
96
12		 STL40Q80
STL40Q84
STL40Q96
STL40Q112		 2
2
2
2		 13.03
13.66
15.57
18.12		 12.736
13.372
15.281
17.828		 Q1
Q1
Q1
Q1		 0.284
0.284
0.284
0.284		 225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2		 27/32
27/32
27/32
27/32		 -
-
-
-		 41/8
41/8
41/8
41/8		 13.1
14.1
17.3
22.8

 

40-2 For 1/2'' Pitch

40-2


Teeth

No.		 Catalog Type Diameters Bushing Dimensions
wt
Less
Bushing
O.D. P.D. T OL L P C H
15
16
17
18
19		 STL-D40H15H
STL-D40H16H
STL-D40H17H
STL-D40P18H
STL-D40P19H		 4
4
4
3
5		 2.65
2.80
2.96
3.14
3.30		 2.405
2.563
2.721
2.879
3.039		 H
H
H
P1
P1		 0.275
0.275
0.275
0.275
0.275		 25/32
25/32
25/32
33/16
215/32		 11/4
11/4
11/4
115/16
115/16		 11/8
11/8
11/8
13/8
13/8		 23/32
23/32
23/32
1
9/32		 21/2
21/2
21/2
3
3		 0.9
1.0
1.1
1.8
1.4
20
21
22
23
24		 STL-D40P20H
STL-D40P21H
STL-D40P22H
STL-D40P23H
STL-D40P24H		 5
5
5
5
5		 3.45
3.62
3.75
3.94
4.10		 3.196
3.355
3.513
3.672
3.831		 P1
P1
P1
P1
P1		 0.275
0.275
0.275
0.275
0.275		 213/32
213/32
213/32
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 13/8
13/8
13/8
13/32
13/32		 1/4
1/4
1/4
-
-		 3
3
3
3
3		 1.6
1.8
2.0
2.0
2.2
25
26
28
30
32		 STL-D40P25H
STL-D40P26H
STL-D40P28H
STL-D40Q30H
STL-D40Q32H		 5
5
5
5
5		 4.26
4.42
4.70
5.06
5.38		 3.989
4.148
4.466
4.783
5.101		 P1
P1
P1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275		 23/16
23/16
23/16
225/32
225/32		 115/16
115/16
115/16
21/2
21/2		 13/32
13/32
13/32
121/32
121/32		 -
-
-
-
-		 3
3
3
41/8
41/8		 2.5
2.7
3.1
4.2
5.3
35
36
40
42
45		 STL-D40Q35H
STL-D40Q36H
STL-D40Q40H
STL-D40Q42H
STL-D40Q45H		 5
5
5
5
5		 5.86
6.02
6.65
6.97
7.45		 5.578
5.737
6.373
6.691
7.168		 Q1
Q1
Q1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 121/32
121/32
121/32
121/32
121/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 6.1
6.5
7.9
8.9
10.1
48
52
54
60
68		 STL-D40Q48H
STL-D40Q52
STL-D40Q54
STL-D40Q60
STL-D40Q68		 5
5
5
5
5		 7.93
8.57
8.89
9.84
11.12		 7.645
8.281
8.599
9.554
10.826		 Q1
Q1
Q1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275		 2 25/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 121/32
121/32
121/32
121/32
121/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 11.8
12.6
14.3
17.4
21.5
72
76
84
95
96		 STL-D40Q72
STL-D40Q76
STL-D40Q84
STL-D40Q95
STL-D40Q96		 5
5
5
5
5		 11.75
12.39
13.66
15.41
15.57		 11.463
12.099
13.372
15.122
15.281		 Q1
Q1
Q1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 121/32
121/32
121/32
121/32
121/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 25.0
26.9
34.1
42.0
44.1
102
112		 STL-D40Q102
STL-D40Q112		 5
5		 16.53
18.12		 16.236
17.828		 Q1
Q1		 0.275
0.275		 225/32
225/32		 21/2
21/2		 121/32
121/32		 -
-		 41/8
41/8		 48.5
61.0

 

40-3 For 1/2'' Pitch

40-3

Teeth

No.		 Catalog Type Diameters Bushing Dimensions Wt
Less
Bushing
O.D. P.D. T OL L P C H
18
19
20
23
24		 STL-T40P18H
STL-T40P19H
STL-T40P20H
STL-T40P23H
STL-T40P24H		 8
6
6
7
7		 3.14
3.30
3.46
3.94
4.10		 2.879
3.038
3.196
3.672
3.831		 P1
P1
P1
P1
P1		 0.275
0.275
0.275
0.275
0.275		 33/4
31/32
231/32
29/32
29/32		 115/16
115/16
115/16
115/16
115/16		 13/8
13/8
15/16
5/8
5/8		 19/16
27/32
25/32
3/32
3/32		 3
3
3
3
3		 1.9
1.8
2.0
2.3
2.6
25
27
30
35
36		 STL-T40P25H
STL-T40P27H
STL-T40Q30H
STL-T40Q35H
STL-T40Q36H		 7
7
6
6
6		 4.26
4.58
5.06
5.86
6.02		 3.989
4.307
4.783
5.578
5.737		 P1
P1
Q1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275		 29/32
29/32
225/32
225/32
225/32		 115/16
115/16
21/2
21/2
21/2		 5/8
5/8
13/32
13/32
13/32		 3/32
3/32
-
-
-		 3
3
41/8
41/8
41/8		 3.0
3.3
4.5
6.9
7.6
42
48
52
54
60		 STL-T40Q42H
STL-T40Q48H
STL-T40Q52
STL-T40Q54
STL-T40Q60		 6
6
6
6
6		 6.97
7.93
8.57
8.89
9.84		 6.691
7.645
8.281
8.599
9.554		 Q1
Q1
Q1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 13/32
13/32
13/32
13/32
13/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 11.1
15.2
18.7
19.9
25.3
68
72
76
84
95
102		 STL-T40Q68
STL-T40Q72
STL-T40Q76
STL-T40Q84
STL-T40Q95
STL-T40Q102		 6
6
6
6
6
6		 11.12
11.75
12.39
13.66
15.41
16.53		 10.826
11.463
12.099
13.372
15.122
16.236		 Q1
Q1
Q1
Q1
Q1
Q1		 0.275
0.275
0.275
0.275
0.275
0.275		 225/32
225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2
21/2		 13/32
13/32
13/32
13/32
13/32
13/32		 -
-
-
-
-
-		 41/8
41/8
41/8
41/8
41/8
41/8		 33.5
37.9
42.5
52.4
67.9
78.5

 

50-1 For 5/8'' Pitch

50-1

Teeth

NO.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
11
12
13
14
15		 STL50G11H
STL50G12H
STL50H13H
STL50H14H
STL50H15H		 1
1
1
1
1		 2.50
2.70
2.91
3.11
3.32		 2.219
2.415
2.612
2.809
3.006		 G
G
H
H
H		 0.343
0.343
0.343
0.343
0.343		 119/32
119/32
121/32
119/32
11/2		 1
1
11/4
11/4
11/4		 11/16
11/16
11/8
11/16
31/32		 13/32
13/32
7/32
5/32
1/16		 2
2
21/2
21/2
21/2		 0.5
0.5
0.6
0.6
0.8
15
16
16
17
17		 STL50P15H
STL50H16H
STL50P16H
STL50H17H
STL50P17H		 2
1
2
1
2		 3.32
3.52
3.52
3.72
3.72		 3.006
3.204
3.204
3.401
3.401		 P1
H
P1
H
P1		 0.343
0.343
0.343
0.343
0.343		 23/16
11/2
23/16
11/2
23/16		 115/16
11/4
115/16
11/4
115/16		 119/32
31/32
119/32
31/32
119/32		 -
1/16
-
1/16
-		 3
21/2
3
21/2
3		 1.1
0.9
1.3
1.0
1.4
18
18
19
19
20		 STL50H18H
STL50P18H
STL50H19H
STL50P19H
STL50H20H		 1
2
1
2
1		 3.92
3.92
4.12
4.12
4.32		 3.599
3.599
3.797
3.797
3.995		 H
P1
H
P1
H		 0.343
0.343
0.343
0.343
0.343		 11/2
23/16
11/2
23/16
11/2		 11/4
115/16
11/4
115/16
11/4		 31/32
119/32
31/32
119/32
31/32		 1/16
-
1/16
-
1/16		 21/2
3
21/2
3
21/2		 1.0
1.6
1.1
1.8
1.5
20
21
22
23
23		 STL50P20H
STL50P21H
STL50P22H
STL50P23H
STL50Q23H		 2
2
2
2
2		 4.32
4.52
4.70
4.92
4.92		 3.995
4.194
4.392
4.590
4.590		 P1
P1
P1
P1
Q1		 0.343
0.343
0.343
0.343
0.343		 23/16
23/16
23/16
23/16
225/32		 115/16
115/16
115/16
115/16
21/2		 119/32
119/32
119/32
119/32
25/32		 -
-
-
-
-		 3
3
3
3
41/8		 2.0
2.1
2.3
2.4
3.4
24
24
25
25
26		 STL50P24H
STL50Q24H
STL50P25H
STL50Q25H
STL50P26H		 2
2
2
2
2		 5.12
5.12
5.32
5.32
5.52		 4.788
4.788
4.987
4.987
5.185		 P1
Q
P1
Q1
P1		 0.343
0.343
0.343
0.343
0.343		 23/16
225/32
23/16
225/32
23/16		 115/16
21/2
115/16
21/2
115/16		 119/32
25/32
119/32
25/32
119/32		 -
-
-
-
-		 3
41/8
3
41/8
3		 2.5
3.4
2.6
3.7
2.9
26
27
27
28
28		 STL50Q26H
STL50P27H
STL50Q27H
STL50P28H
STL50Q28H		 2
2
2
2
2		 5.52
5.72
5.72
5.92
5.92		 5.185
5.384
5.384
5.582
5.582		 Q1
P1
Q1
P1
Q1		 0.343
0.343
0.343
0.343
0.343		 225/32
23/16
225/32
23/16
225/32		 21/2
115/16
21/2
115/16
21/2		 25/32
119/32
25/32
119/32
25/32		 -
-
-
-
-		 41/8
3
41/8
3
41/8		 3.8
3.0
3.9
3.2
4.0
29
30
30
31
32		 STL50P29H
STL50P30H
STL50Q30H
STL50P31H
STL50P32H		 2
2
2
2
2		 6.12
6.32
6.32
6.52
6.72		 5.781
5.979
5.979
6.178
6.376		 P1
P1
Q1
P1
P1		 0.343
0.343
0.343
0.343
0.343		 23/16
23/16
225/32
23/16
23/16		 115/16
115/16
21/2
115/16
115/16		 119/32
119/32
25/32
119/32
119/32		 -
-
-
-
-		 3
3
41/8
3
3		 3.3
3.5
5.6
3.6
3.9
32
33
34
35
35		 STL50Q32H
STL50P33H
STL50P34H
STL50P35H
STL50Q35H		 2
2
2
2
2		 6.72
6.92
7.12
7.32
7.32		 6.376
6.575
6.774
6.972
6.972		 Q1
P1
P1
P1
Q1		 0.343
0.343
0.343
0.343
0.343		 225/32
23/16
23/16
23/16
25/32		 21/2
115/16
115/16
115/16
21/2		 25/32
119/32
119/32
119/32
25/32		 -
-
-
-
-		 41/8
3
3
3
41/8		 6.1
4.1
4.3
4.3
6.8
36
36
37
38
39		 STL50P36H
STL50Q36H
STL50Q37H
STL50Q38H
STL50Q39H		 2
2
2
2
2		 7.52
7.52
7.72
7.92
8.12		 7.171
7.171
7.370
7.569
7.767		 P1
Q1
Q1
Q1
Q1		 0.343
0.343
0.343
0.343
0.343		 23/16
225/32
225/32
225/32
225/32		 115/16
21/2
21/2
21/2
21/2		 119/32
25/32
25/32
25/32
25/32		 -
-
-
-
-		 3
41/8
41/8
41/8
41/8		 4.8
6.8
7.0
7.4
7.6
40
41
42
44
45		 STL50Q40H
STL50Q41
STL50Q42
STL50Q44
STL50Q45		 2
2
2
2
2		 8.32
8.52
8.72
9.11
9.31		 7.966
8.165
8.363
8.761
8.960		 Q1
Q1
Q1
Q1
Q1		 0.343
0.343
0.343
0.343
0.343		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 25/32
25/32
25/32
25/32
25/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 8.0
8.2
8.3
8.6
9.0
47
48
50
54
56		 STL50Q47
STL50Q48
STL50Q50
STL50Q54
STL50Q56		 2
2
2
2
2		 9.71
9.91
10.31
11.11
11.50		 9.357
9.556
9.954
10.749
11.147		 Q1
Q1
Q1
Q1
Q1		 0.343
0.343
0.343
0.343
0.343		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 25/32
25/32
25/32
25/32
25/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 9.3
9.6
9.8
11.3
12.3
60
70
72
80
84		 STL50Q60
STL50Q70
STL50Q72
STL50Q80
STL50084		 2
2
2
2
2		 12.30
14.29
14.69
16.28
17.08		 11.942
13.931
14,329
15.920
16.715		 Q1
Q1
Q1
Q1
Q1		 0.343
0.343
0.343
0.343
0.343		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 25/32
25/32
25/32
25/32
25/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 13.3
16.9
18.1
21.1
24.3
96
112		 STL50Q96
STL50Q112		 2
2		 19.47
22.65		 19.102
22.285		 Q1
Q1		 0.343
0.343		 225/32
225/32		 21/2
21/2		 25/32
25/32		 -
-		 41/8
41/8		 29.8
39.3

 

50-2 For 5/8'' Pitch

50-2

Teeth

No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
14
15
16
17
18		 STL-D50H14H
STL-D50P15H
STL-D50P16H
STL-D50P17H
STL-D50P18H		 4
3
5
5
5		 3.11
3.32
3.52
3.72
3.92		 2.809
3.006
3.204
3.401
3.599		 H
P1
P1
P1
P1		 0.332
0.332
0.332
0.332
0.332		 25/16
37/16
211/16
211/16
211/16		 11/4
115/16
115/16
115/16
115/16		 13/32
113/32
113/32
113/32
113/32		 7/8
11/4
1/2
1/2
1/2		 21/2
3
3
3
3		 1.2
2.0
1.6
2.1
2.5
19
20
21
22
23		 STL-D50P19H
STL-D50P20H
STL-D50P21H
STL-D50P22H
STL-D50P23H		 5
5
5
5
5		 4.12
4.32
4.52
4.70
4.92		 3.797
3.995
4.194
4.392
4.590		 P1
P1
P1
P1
P1		 0.332
0.332
0.332
0.332
0.332		 23/16
23/16
23/16
23/16
23/16		 115/16
115/16
115/16
115/16
115/16		 29/32
29/32
29/32
29/32
29/32		 -
-
-
-
-		 3
3
3
3
3		 2.0
2.5
2.8
3.2
3.6
24
25
26
27
28		 STL-D50Q24H
STL-D50Q25H
STL-D50Q26H
STL-D50Q27H
STL-D50Q28H		 5
5
5
5
5		 5.12
5.32
5.52
5.72
5.92		 4.788
4.987
5.185
5.384
5.582		 Q1
Q1
Q1
Q1
Q1		 0.332
0.332
0.332
0.332
0.332		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 115/32
115/32
115/32
115/32
115/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 4.0
4.5
5.3
5.9
6.3
30
32
35
36
40		 STL-D50Q30H
STL-D50Q32H
STL-D50Q35H
STL-D50Q36H
STL-D50Q40H		 5
5
5
5
5		 6.32
6.72
7.32
7.52
8.32		 5.979
6.376
6.972
7.171
7.966		 Q1
Q1
Q1
Q1
Q1		 0.332
0.332
0.332
0.332
0.332		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 115/32
115/32
115/32
115/32
115/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 7.5
8.5
10.4
11.0
13.6
42
45
48
52
54		 STL-D50Q42
STL-D50Q45
STL-D50Q48
STL-D50Q52
STL-D50Q54		 5
5
5
5
5		 8.72
9.31
9.91
10.71
11.11		 8.363
8.960
9.556
10.351
10.749		 Q1
Q1
Q1
Q1
Q1		 0.332
0.332
0.332
0.332
0.332		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 115/32
115/32
115/32
115/32
115/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 15.0
17.5
20.4
23.3
24.2
60
72
76
84
95		 STL-D50Q60
STL-D50Q72
STL-D50Q76
STL-D50Q84
STL-D50R95		 5
5
5
5
5		 12.30
14.69
15.49
17.08
19.27		 11.942
14.329
15.124
16.715
18.903		 Q1
Q1
Q1
Q1
R1		 0.332
0.332
0.332
0.332
0.332		 225/32
225/32
225/32
225/32
35/32		 21/2
21/2
21/2
21/2
27/8		 115/32
115/32
115/32
115/32
23/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
53/8		 25.5
43.1
46.0
57.6
72.3
96
102
112		 STL-D50R96
STL-D50R102
STL-D50R112		 5
5
5		 19.47
20.66
22.65		 19.102
20.295
22.285		 R1
R1
R1		 0.332
0.332
0.332		 35/32
35/32
35/32		 27/8
27/8
27/8		 23/32
23/32
23/32		 -
-
-		 53/8
53/8
53/8		 80.7
84.5
93.2

 

50-3 For 5/8'' Pitch

50-3

Teeth

NO.		 Catalog Type Diameters Bushing Dimensions Wt
Less
Bushing
O.D. P.D. T OL L P C H
15
16
17
18
19		 STL-T50P15H
STL-T50P16H
STL-T50P17H
STL-T50P18H
STL-T50P19H		 8
6
6
6
7B		 3.32
3.52
3.72
3.92
4.12		 3.006
3.204
3.401
3.599
3.797		 P2
P2
P2
P2
P1		 0.332
0.332
0.332
0.332
0.332		 41/8
33/8
33/8
33/8
25/8		 215/16
215/16
215/16
215/16
115/16		 13/8
13/8
13/8
13/8
5/8		 15/16
3/16
3/16
3/16
7/16		 3
3
3
3
3		 2.5
2.4
2.8
3.4
2.9
20
21
23
24
25		 STL-T50P20H
STL-T50P21H
STL-T50P23H
STL-T50Q24H
STL-T50Q25H		 7B
7B
7B
7
7		 4.32
4.52
4.92
5.12
5.32		 3.995
4.194
4.590
4.788
4.987		 P1
P1
P1
Q1
Q1		 0.332
0.332
0.332
0.332
0.332		 2 5/8
25/8
25/8
225/32
225/32		 115/16
115/16
115/16
21/2
21/2		 5/8
5/8
5/8
3/4
3/4		 7/16
7/16
7/16
-
-		 3
3
3
41/8
41/8		 3.1
3.5
4.5
4.7
5.0
26
28
30
32
35		 STL-T50Q26H
STL-T50Q28H
STL-T50Q30H
STL-T50Q32H
STL-T50Q35H		 7
7
7
7
7		 5.52
5.92
6.32
6.72
7.32		 5.185
5.582
5.979
6.376
6.972		 Q1
Q1
Q1
Q1
Q1		 0.332
0.332
0.332
0.332
0.332		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 3/4
3/4
3/4
3/4
3/4		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8 		5.9
7.3
8.8
10.9
13.7
36
40
42
48
52		 STL-T50Q36H
STL-T50Q40H
STL-T50Q42
STL-T50Q48
STL-T50Q52		 7
7
7
7
7		 7.52
8.32
8.72
9.91
10.71		 7.171
7.966
8.363
9.556
10.351		 Q1
Q1
Q1
Q1
Q1		 0.332
0.332
0.332
0.332
0.332		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 3/4
3/4
3/4
3/4
3/4		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 14.6
19.1
21.5
29.6
36.4
60
68
72
76
84		 STL-T50R60
STL-T50R68
STL-T50R72
STL-T50R76
STL-T50R84		 6
6
6
6
6		 12.30
13.89
14.69
15.49
17.08		 11.942
13.533
14.329
15.124
16.715		 R1
R1
R1
R1
R1		 0.332
0.332
0.332
0.332
0.332		 25/32
25/32
25/32
25/32
25/32		 27/8
27/8
27/8
27/8
27/8		 11/8
11/8
11/8
11/8
11/8		 -
-
-
-
-		 53/8
53/8
53/8
53/8
53/8		 48.0
63.5
72.0
81.0
100
95
102		 STL-T50R95
STL-T50R102		 6
6		 19.27
20.66		 18.903
20.295		 R1
R1		 0.332
0.332		 25/32
25/32		 27/8
27/8		 11/8
11/8		 -
-		 53/8
53/8		 130
151

 

60-1 For 3/4'' Pitch

60-1

Teeth

No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. PD. T OL L P C H
10
11
12
13
13		 STL60G10H
STL60H11H
STL60H12H
STL60H13H
STL60P13H		 1
1
1
1
2		 2.76
2.96
3.25
3.45
3.45		 2.427
2.662
2.898
3.134
3.134		 G
H
H
H
P1		 0.459
0.459
0.459
0.459
0.459		 13/4
113/16
13/4
11/2
23/16		 1
11/4
11/4
11/4
115/16		 13/32
15/32
13/32
27/32
115/32		 9/16
3/8
5/16
1/16
-		 2
21/2
21/2
21/2
3		 0.6
0.7
0.8
0.9
1.1
14
14
15
15
16		 STL60H14H
STL60P14H
STL60H15H
STL60P15H
STL60P16H		 1
2
1
2
2		 3.74
3.74
3.98
3.98
4.22		 3.371
3.371
3.607
3.607
3.844		 H
P1
H
P1
P1		 0.459
0.459
0.459
0.459
0.459		 11/2
23/16
11/2
23/16
23/16		 11/4
115/16
11/4
115/16
115/16		 27/32
115/32
27/32
115/32
115/32		 1/16
-
1/16
-
-		 21/2
3
21/2
3
3		 1.0
1.2
1.2
1.6
2.0
17
18
19
20
20		 STL60P17H
STL60P18H
STL60P19H
STL60P20H
STL60Q20H		 2
2
2
2
2		 4.46
4.70
4.95
5.19
5.19		 4.082
4.319
4.557
4.794
4.794		 P1
P1
P1
P1
Q1		 0.459
0.459
0.459
0.459
0.459		 23/16
23/16
23/16
23/16
225/32		 115/16
115/16
115/16
115/16
21/2		 115/32
115/32
115/32
115/32
21/32		 -
-
-
-
-		 3
3
3
3
41/8		 2.2
2.4
2.5
3.0
3.5
21
21
22
22
23		 STL60P21H
STL60Q21H
STL60P22H
STL60Q22H
STL60P23H		 2
2
2
2
2		 5.43
5.43
5.67
5.67
5.91		 5.032
5.032
5.270
5.270
5.508		 P1
Q1
P1
Q1
P1		 0.459
0.459
0.459
0.459
0.459		 23/16
225/32
23/16
225/32
23/16		 115/16
21/2
115/16
21/2
115/16		 115/32
21/32
115/32
21/32
115/32		 -
-
-
-
-		 3
41/8
3
41/8
3		 3.0
3.8
3.3
4.1
3.5
23
24
24
25
25		 STL60Q23H
STL60P24H
STL60Q24H
STL60P25H
STL60Q25H		 2
2
2
2
2		 5.91
6.15
6.15
6.39
6.39		 5.508
5.746
5.746
5.984
5.984		 Q1
P1
Q1
P1
Q1		 0.459
0.459
0.459
0.459
0.459		 225/32
23/16
225/32
23/16
225/32		 21/2
115/16
21/2
115/16
21/2		 21/32
115/32
21/32
115/32
21/32		 -
-
-
-
-		 41/8
3
41/8
3
41/8		 4.3
3.9
4.5
4.3
6.0
26
26
27
27
28		 STL60P26H
STL60Q26H
STL60P27H
STL60Q27H
STL60P28H		 2
2
2
2
2		 6.63
6.63
6.87
6.87
7.11		 6.222
6.222
6.460
6.460
6.699		 P1
Q1
P1
Q1
P1		 0.459
0.459
0.459
0.459
0.459		 23/16
225/32
23/16
225/32
23/16		 115/16
21/2
115/16
21/2
115/16		 115/32
21/32
115/32
21/32
115/32		 -
-
-
-
-		 3
41/8
3
41/8
3		 4.3
6.4
4.6
6.6
5.0
28
29
30
30
31		 STL60Q28H
STL60Q29H
STL60P30H
STL60Q30H
STL60Q31H		 2
2
2
2
2		 7.11
7.35
7.59
7.59
7.83		 6.699
6.937
7.175
7.175
7.413		 Q1
Q1
P1
Q1
Q1		 0.459
0.459
0.459
0.459
0.459		 225/32
225/32
23/16
225/32
225/32		 21/2
21/2
115/16
21/2
21/2		 21/32
21/32
115/32
21/32
21/32		 -
-
-
-
-		 41/8
41/8
3
41/8
41/8		 6.9
7.3
5.6
7.7
7.8
32
33
34
35
36		 STL60Q32H
STL60Q33H
STL60Q34H
STL60Q35H
STL60Q36H		 2
2
2
2
2		 8.07
8.30
8.54
8.78
9.02		 7.652
7.890
8.129
8.367
8.605		 Q1
Q1
Q1
Q1
Q1		 0.459
0.459
0.459
0.459
0.459		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 21/32
21/32
21/32
21/32
21/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 8.3
8.7
9.1
9.3
9.9
37
38
39
40
41		 STL60Q37
STL60Q38
STL60Q39
STL60Q40
STL60Q41		 2
2
2
2
2		 9.26
9.50
9.74
9.98
10.22		 8.844
9.082
9.321
9.559
9.798		 Q1
Q1
Q1
Q1
Q1		 0.459
0.459
0.459
0.459
0.459		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 21/32
21/32
21/32
21/32
21/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 10.3
10.6
11.1
11.6
11.9
42
44
45
47
48		 STL60Q42
STL60Q44
STL60Q45
STL60Q47
STL60Q48		 2
2
2
2
2		 10.46
10.94
11.18
11.65
11.89		 10.036
10.513
10.752
11.229
11.467		 Q1
Q1
Q1
Q1
Q1		 0.459
0.459
0.459
0.459
0.459		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 21/32
21/32
21/32
21/32
21/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 12.6
13.4
13.9
16.3
16.4
50
54
56
60
70		 STL60Q50
STL60Q54
STL60Q56
STL60Q60
STL60Q70		 2
2
2
2
2		 12.37
13.33
13.81
14.73
17.12		 11.945
12.899
13.376
14.331
16.717		 Q1
Q1
Q1
Q1
Q1		 0.459
0.459
0.459
0.459
0.459		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 21/32
21/32
21/32
21/32
21/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 16.9
19.6
20.3
22.9
30.9
70
72
72
80
80		 STL60R70
STL60Q72
STL60R72
STL60Q80
STL60R80		 2
2
2
2
2		 17.12
17.63
17.63
19.54
19.54		 16.717
17.194
17.194
19.103
19.103		 R1
Q1
R1
Q1
R1		 0.459
0.459
0.459
0.459
0.459		 35/32
225/32
35/32
225/32
35/32		 27/8
21/2
27/8
21/2
27/8		 21/32
21/32
213/32
21/32
213/32		 -
-
-
-
-		 53/8
41/8
53/8
41/8
53/8		 31.8
31.9
34.1
39.1
41.5
84
84
96
96
112
112		 STL60Q84
STL60R84
STL60Q96
STL60R96
STL60Q112
STL60R112		 2
2
2
2
2
2		 20.49
20.49
23.36
23.36
27.18
27.18		 20.058
20.058
22.922
22.922
26.742
26.742		 Q1
R1
Q1
R1
Q1
R1		 0.459
0.459
0.459
0.459
0.459
0.459		 225/32
35/32
225/32
35/32
225/32
35/32		 21/2
27/8
21/2
27/8
21/2
27/8		 21/32
213/32
21/32
213/32
21/32
213/32		 -
-
-
-
-
-		 41/8
53/8
41/8
53/8
41/8
53/8		 41.6
44.8
54.0
56.0
73.0
74.5

 

60-2 For 3/4'' Pitch

60-2

Teeth

No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
13
14
15
16
17		 STL-D60P13H
STL-D60P14H
STL-D60P15H
STL-D60P16H
STL-D60P17H		 3
5
5
5B
5B		 3.45
3.74
3.98
4.22
4.46		 3.134
3.371
3.607
3.844
4.082		 P1
P1
P1
P1
P1		 0.444
0.444
0.444
0.444
0.444		 313/16
3
3
27/32
27/32		 115/16
115/16
115/16
115/16
115/16		 113/32
113/32
113/32
5/8
5/8		 15/8
13/16
13/16
1/32
1/32		 3
3
3
3
3		 2.5
2.3
2.7
2.4
2.8
18
19
20
21
22		 STL-D60P18H
STL-D60P19H
STL-D60P20H
STL-D60Q21H
STL-D60Q22H		 5B
5B
5B
5
5		 4.70
4.95
5.19
5.43
5.67		 4.319
4.557
4.794
5.032
5.270		 P1
P1
P1
Q1
Q1		 0.444
0.444
0.444
0.444
0.444		 27/32
27/32
27/32
225/32
225/32		 115/16
115/16
115/16
21/2
21/2		 5/8
5/8
5/8
15/32
15/32		 1/32
1/32
1/32
-
-		 3
3
3
41/8
41/8		 3.4
4.0
4.7
4.8
5.6
23
24
25
26
27		 STL-D60Q23H
STL-D60Q24H
STL-D60Q25H
STL-D60Q26H
STL-D60Q27H		 5
5
5
5
5		 5.91
6.15
6.39
6.63
6.87		 5.508
5.746
5.984
6.222
6.460		 Q1
Q1
Q1
Q1
Q1		 0.444
0.444
0.444
0.444
0.444		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 15/32
15/32
15/32
15/32
15/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 6.3
7.0
7.9
8.8
9.6
28
30
32
35
36		 STL-D60Q28H
STL-D60Q30H
STL-D60Q32H
STL-D60035H
STL-D60Q36H		 5
5
5
5
5		 7.11
7.59
8.07
8.78
9.02		 6.699
7.175
7.652
8.367
8.605		 Q1
Q1
Q1
Q1
Q1		 0.444
0.444
0.444
0.444
0.444		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 15/32
15/32
15/32
15/32
15/32		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 10.5
12.3
14.3
17.7
18.4
40
42
42
45
48		 STL-D60Q40
STL-D60Q42
STL-D60R42
STL-D60R45
STL-D60R48		 5
5
5
5
5		 9.98
10.46
10.46
11.18
11.89		 9.559
10.036
10.036
10.752
11.467		 Q1
Q1
R1
R1
R1		 0.444
0.444
0.444
0.444
0.444		 225/32
225/32
35/32
35/32
35/32		 21/2
21/2
27/8
27/8
27/8		 15/32
15/32
117/32
117/32
117/32		 -
-
-
-
-		 41/8
41/8
53/8
53/8
53/8		 23.9
26.3
25.7
30.2
35.1
52
54
60
68
72		 STL-D60R52
STL-D60R54
STL-D60R60
STL-D60R68
STL-D60R72		 5
5
5
5
5		 12.85
13.33
14.76
16.67
17.63		 12.422
12.899
14.331
16.240
17.194		 R1
R1
R1
R1
R1		 0.444
0.444
0.444
0.444
0.444		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 117/32
117/32
117/32
117/32
117/32		 -
-
-
-
-		 53/8
53/8
53/8
53/8
53/8		 41.8
45.1
54.8
73.8
81.8
76
84
95
96		 STL-D60R76
STL-D60R84
STL-D60R95
STL-D60R96		 5
5
5
5		 18.58
20.49
23.12
23.36		 18.149
20.058
22.683
22.922		 R1
R1
R1
R1		 0.444
0.444
0.444
0.444		 35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8		 117/32
117/32
117/32
117/32		 -
-
-
-
-		 53/8
53/8
53/8
53/8		 93.0
111
148
155

 

60-3 For 3/4'' Pitch

60-3

Teeth

No.		 Catalog Type Diameters Bushing Dimensions Wt
Less
Bushing
O.D. P.D. T OL L P C H
13
14
15
16
17		 STL-T60P13H
STL-T60P14H
STL-T60P15H
STL-T60P16H
STL-T60Q17H		 8
6
6
7B
8		 3.49
3.74
3.98
4.22
4.46		 3.134
3.371
3.607
3.844
4.082		 P2
P2
P2
P1
Q1		 0.444
0.444
0.444
0.444
0.444		 423/32
329/32
329/32
31/8
5		 215/16
215/16
215/16
115/16
31/2		 113/32
27/16
27/16
5/8
121/32		 117/32
123/32
123/32
15/16
11/4		 3
3
3
3
41/8		 3.3
3.3
4.0
3.4
4.6
18
19
20
21
22		 STL-T60Q18H
STL-T60Q19H
STL-T60Q20H
STL-T60Q21H
STL-T60Q22H		 6
6
6
7B
7B		 4.70
4.95
5.19
5.43
5.67		 4.319
4.557
4.794
5.032
5.270		 Q1
Q1
Q1
Q1
Q1		 0.444
0.444
0.444
0.444
0.444		 43/16
43/16
43/16
31/4
31/4		 31/2
31/2
31/2
21/2
21/2		 121/32
121/32
121/32
3/4
3/4		 13/32
13/32
13/32
15/32
15/32		 41/8
41/8
41/8
41/8
41/8		 5.0
5.9
7.0
5.7
6.6
23
24
25
26
27		 STL-T60Q23H
STL-T60Q24H
STL-T60Q25H
STL-T60Q26H
STL-T60Q27H		 7A
7A
7A
7A
7A		 5.91
6.15
6.39
6.63
6.87		 5.508
5.746
5.984
6.222
6.460		 Q1
Q1
Q1
Q1
Q1		 0.444
0.444
0.444
0.444
0.444		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 1/4
1/4
1/4
1/4
1/4		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 7.7
8.8
10.0
11.1
12.4
28
30
32
35
36		 STL-T60Q28H
STL-T60R30H
STL-T60R32H
STL-T60R35H
STL-T60R36H		 7A
7A
7A
7A
7A		 7.11
7.59
8.07
8.78
9.02		 6.699
7.175
7.652
8.367
8.605		 Q1
R1
R1
R1
R1		 0.444
0.444
0.444
0.444
0.444		 225/32
35/32
35/32
35/32
35/32		 21/2
27/8
27/8
27/8
27/8		 1/4
5/8
5/8
5/8
5/8		 -
-
-
-
-		 41/8
53/8
53/8
53/8
53/8		 13.6
14.0
19.0
22.0
23.4
40
42
52
68		 STL-T60R40
STL-T60R42
STL-T60R52
STL-T60S68		 7A
7A
7A
6		 9.98
10.46
12.85
16.67		 9.559
10.036
12.422
16.240		 R1
R1
R1
S1		 0.444
0.444
0.444
0.444		 35/32
35/32
35/32
51/8		 27/8
27/8
27/8
43/8		 5/8
5/8
5/8
29/64		 -
-
-
-		 53/8
53/8
53/8
63/8		 31.3
35.3
63.2
122

 

80-1 For 1'' Pitch

80-1

Teeth

No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
10
11
11
12
13		 STL-80H10H
STL-80H11H
STL-80P11H
STL-80P12H
STL-80P13H		 1
1
2
2
2		 3.68
3.98
3.98
4.33
4.66		 3.236
3.550
3.550
3.864
4.179		 H
H
P1
P1
P1		 0.575
0.575
0.575
0.575
0.575		 23/32
11/2
211/32
23/16
23/16		 11/4
11/4
115/16
115/16
115/16		 13/8
3/4
117/32
13/8
13/8		 21/32
1/16
5/32
-
-		 21/2
21/2
3
3
3		 2.0
1.3
1.8
2.0
2.3
14
14
15
15
16		 STL-80P14H
STL-80Q14H
STL-80P15H
STL-80Q15H
STL-80P16H		 2
2
2
2
2		 4.98
4.98
5.31
5.31
5.63		 4.494
4.494
4.810
4.810
5.126		 P1
Q1
P1
Q1
P1		 0.575
0.575
0.575
0.575
0.575		 23/16
225/32
23/16
225/32
23/16		 115/16
21/2
115/16
21/2
115/16		 13/8
115/16
13/8
115/16
13/8		 -
-
-
-
-		 3
41/8
3
41/8
3		 2.7
3.0
3.2
3.6
3.6
16
17
17
18
18		 STL-80Q16H
STL-80P17H
STL-80Q17H
STL-80P18H
STL-80Q18H		 2
2
2
2
2		 5.63
5.95
5.95
6.27
6.27		 5.126
5.442
5.442
5.759
5.759		 Q1
P1
Q1
P1
Q1		 0.575
0.575
0.575
0.575
0.575		 225/32
23/16
225/32
23/16
225/32		 21/2
115/16
21/2
115/16
21/2		 115/16
13/8
115/16
13/8
115/16		 -
-
-
-
-		 41/8
3
41/8
3
41/8		 4.6
3.9
5.4
4.5
6.0
19
19
20
21
22		 STL-80P19H
STL-80Q19H
STL-80Q20H
STL-80Q21H
STL-80Q22H		 2
2
2
2
2		 6.59
6.59
6.91
7.24
7.56		 6.079
6.079
6.392
6.710
7.027		 P1
Q1
Q1
Q1
Q1		 0.575
0.575
0.575
0.575
0.575		 23/16
225/32
225/32
225/32
225/32		 115/16
21/2
21/2
21/2
21/2		 13/8
115/16
115/16
115/16
115/16		 -
-
-
-
-		 3
41/8
41/8
41/8
41/8		 4.8
6.4
6.9
7.4
8.0
23
24
25
26
27		 STL-80Q23H
STL-80Q24H
STL-80Q25H
STL-80Q26H
STL-80Q27H		 2
2
2
2
2		 7.88
8.20
8.52
8.84
9.16		 7.344
7.661
7.979
8.296
8.614		 Q1
Q1
Q1
Q1
Q1		 0.575
0.575
0.575
0.575
0.575		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 115/16
115/16
115/16
115/16
115/16		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 8.5
9.3
9.9
10.4
10.9
28
29
30
31
32		 STL-80Q28H
STL-80Q29H
STL-80Q30H
STL-80Q31H
STL-80Q32H		 2
2
2
2
2		 9.48
9.80
10.11
10.43
10.75		 8.931
9.249
9.567
9.885
10.202		 Q1
Q1
Q1
Q1
Q1		 0.575
0.575
0.575
0.575
0.575		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 115/16
115/16
115/16
115/16
115/16		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 11.5
12.5
13.0
13.9
14.8
33
34
35
36
36		 STL-80Q33H
STL-80Q34H
STL-80Q35H
STL-80Q36H
STL-80R36H		 2
2
2
2
2		 11.07
11.39
11.71
11.98
11.98		 10.520
10.838
11.156
11.474
11.474		 Q1
Q1
Q1
Q1
R1		 0.575
0.575
0.575
0.575
0.575		 225/32
225/32
225/32
225/32
35/32		 21/2
21/2
21/2
21/2
27/8		 115/16
115/16
115/16
115/16
25/16		 -
-
-
-
-		 41/8
41/8
41/8
41/8
53/8		 15.5
16.3
17.8
18.1
19.5
37
38
39
40
40		 STL-80Q37
STL-80Q38
STL-80R39
STL-80Q40
STL-80R40		 2
2
2
2
2		 12.35
12.67
12.99
13.31
13.31		 11.792
12.110
12.428
12.746
12.746		 Q1
Q1
R1
Q1
R1		 0.575
0.575
0.575
0.575
0.575		 225/32
225/32
35/32
225/32
35/32		 21/2
21/2
27/8
21/2
27/8		 115/16
115/16
25/16
115/16
25/16		 -
-
-
-
-		 41/8
41/8
53/8
41/8
53/8		 18.5
20.0
22.8
21.9
23.4
41
42
42
44
45		 STL-80R41
STL-80Q42
STL-80R42
STL-80R44
STL-80Q45		 2
2
2
2
2		 13.63
13.94
13.94
14.58
14.90		 13.064
13.382
13.382
14.018
14.336		 R1
Q1
R1
R1
Q1		 0.575
0.575
0.575
0.575
0.575		 35/32
225/32
35/32
35/32
225/32		 27/8
21/2
27/8
27/8
21/2		 25/16
115/16
25/16
25/16
115/16		 -
-
-
-
-		 53/8
41/8
53/8
53/8
41/8		 23.9
23.8
25.4
27.2
27.8
45
47
48
48
50		 STL-80R45
STL-80R47
STL-80Q48
STL-80R48
STL-80R50		 2
2
2
2
2		 14.90
15.54
15.86
15.86
16.50		 14.336
14.972
15.290
15.290
15.926		 R1
R1
Q1
R1
Ri		 0.575
0.575
0.575
0.575
0.575		 35/32
35/32
225/32
35/32
35/32		 27/8
27/8
21/2
27/8
27/8		 25/16
25/16
115/16
25/16
25/16		 -
-
-
-
-		 53/8
53/8
41/8
53/8
53/8		 28.5
31.0
30.8
32.3
35.1
54
54
56
60
60		 STL-80Q54
STL-80R54
STL-80R56
STL-80Q60
STL-80R60		 2
2
2
2
2		 17.77
17.77
18.41
19.68
19.68		 17.198
17.198
17.835
19.107
19.107		 Q1
R1
R1
Q1
R1		 0.575
0.575
0.575
0.575
0.575		 225/32
35/32
35/32
225/32
35/32		 21/2
27/8
27/8
21/2
27/8		 115/16
25/16
25/16
115/16
25/16		 -
-
-
-
-		 41/8
53/8
53/8
41/8
53/8		 38.5
40.8
44.0
46.8
47.3
70
70
72
72
80		 STL-80Q70
STL-80R70
STL-80Q72
STL-80R72
STL-80R80		 2
2
2
2A
2A		 22.83
22.83
23.46
23.46
26.01		 22.289
22.289
22.926
22.926
25.471		 Q1
R1
Q1
R1
R1		 0.575
0.575
0.575
0.575
0.575		 225/32
35/32
225/32
35/32
35/32		 21/2
27/8
21/2
27/8
27/8		 115/16
25/16
115/16
7/8
7/8		 -
-
-
17/16
17/16		 41/8
53/8
41/8
53/8
53/8		 60.0
63.5
67.5
69.4
85.0
84
96
112		 STL-80R84
STL-80R96
STL-80S112		 2A
2A
2A		 27.33
31.15
36.24		 26.744
30.563
35.655		 R1
R1
S1		 0.575
0.575
0.575		 35/32
35/32
43/4		 27/8
27/8
43/8		 7/8
7/8
11/8		 17/16
17/16
23/4		 53/8
53/8
63/8		 90.0
110
165

 

80-2 For 1'' Pitch

80-2

Teeth

NO.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D T OL L P C H
13 STL-D80P13H 5B 4.66 4.179 P1 0.557 219/32 115/16 5/8 13/32 3 3.6
14 STL-D80Q14H 3 4.98 4.494 Q2 0.557 45/8 31/2 13/4 27/32 41/8 5.4
15 STL-D80Q15H 5 5.31 4.810 Q2 0.557 325/32 31/2 13/4 - 41/8 5.4
16 STL-D80Q16H 5B 5.63 5.126 Q1 0.557 225/32 21/2 3/4 - 41/8 4.8
17 STL-D80Q17H 5B 5.95 5.442 Q1 0.557 225/32 21/2 3/4 - 41/8 6.0
18 STL-D80Q18H 5B 6.27 5.759 Q1 0.557 225/32 21/2 3/4 - 41/8 7.3
19 STL-D80Q19H 5B 6.59 6.076 Q1 0.557 225/32 21/2 3/4 - 41/8 8.5
20 STL-D80R20H 5 6.91 6.392 R1 0.557 35/32 27/8 15/32 - 53/8 7.8
21 STL-D80R21H 5 7.24 6.710 R1 0.557 35/32 27/8 15/32 - 53/8 9.4
22 STL-D80R22H 5 7.56 7.027 R1 0.557 35/32 27/8 15/32 - 53/8 10.8
23 STL-D80R23H 5 7.88 7.344 R1 0.557 35/32 27/8 15/32 - 53/8 12.3
24 STL-D80R24H 5 8.20 7.661 R1 0.557 35/32 27/8 15/32 - 53/8 14.1
25 STL-D80R25H 5 8.52 7.979 R1 0.557 35/32 27/8 15/32 - 53/8 15.8
26 STL-D80R26H 5 8.84 8.296 R1 0.557 35/32 27/8 15/32 - 53/8 18.1
27 STL-D80R27H 5 9.16 8.614 R1 0.557 35/32 27/8 15/32 - 53/8 20.4
28 STL-D80R28H 5 9.48 8.931 R1 0.557 35/32 27/8 15/32 - 53/8 22.7
30 STL-D80R30H 5 10.11 9.567 R1 0.557 35/32 27/8 15/32 - 53/8 26.8
36 STL-D80R36H 5 12.03 11.474 R1 0.557 35/32 27/8 15/32 - 53/8 41.6
42 STL-D80R42 5 13.94 13.382 R1 0.557 35/32 27/8 15/32 - 53/8 58.0
45 STL-D80R45 5 14.90 14.336 R1 0.557 35/32 27/8 15/32 - 53/8 68.0
48 STL-D80R48 5C 15.86 15.290 R2 0.557 55/32 47/8 7/8 29/32 53/8 86.0
52 STL-D80R52 5C 17.13 16.562 R2 0.557 55/32 47/8 7/8 29/32 53/8 103
54 STL-D80R54 5C 17.77 17.198 R2 0.557 55/32 47/8 7/8 29/32 53/8 111
60 STL-D80R60 5C 19.64 19.107 R2 0.557 55/32 47/8 7/8 29/32 53/8 135
68 STL-D80R68 5C 22.23 21.653 R2 0.557 55/32 47/8 7/8 29/32 53/8 176
72 STL-D80R72 5C 23.46 22.926 R2 0.557 55/32 47/8 7/8 29/32 53/8 198
76 STL-D80U76 5C 24.74 24.198 U0 0.557 523/32 51/4 11/2 21/32 83/8 219
95 STL-D80U95 5C 30.83 30.245 U0 0.557 523/32 51/4 11/2 21/32 83/8 342

 

80-3 For 1'' Pitch

80-3

Teeth

No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
13
14
15
16
17		 STL-T80P13H
STL-T80Q14H
STL-T80Q15H
STL-T80Q16H
STL-T80Q17H		 7B
8
6
7A
7B		 4.66
4.98
5.31
5.63
5.95		 4.179
4.494
4.810
5.126
5.442		 P2
Q2
Q2
Q2
Q2		 0.557
0.557
0.557
0.557
0.557		 33/4
525/32
429/32
37/8
329/32		 215/16
31/2
31/2
31/2
31/2		 5/8
13/4
13/4
3/4
3/4		 9/16
2
11/8
3/32
1/8		 3
41/8
41/8
41/8
41/8		 5.7
7.5
8.1
9.3
9.8
18
19
20
21
22		 STL-T80Q18H
STL-T80Q19H
STL-T80R20H
STL-T80R21H
STL-T80R22H		 7B
7B
7B
7B
7B		 6.27
6.59
6.91
7.24
7.56		 5.759
6.076
6.392
6.710
7.027		 Q2
Q2
R1
R1
R1		 0.557
0.557
0.557
0.557
0.557		 329/32
329/32
41/32
41/32
41/32		 31/2
31/2
27/8
27/8
27/8		 3/4
3/4
7/8
7/8
7/8		 1/8
1/8
7/8
7/8
7/8		 41/8
41/8
53/8
53/8
53/8		 12.0
13.9
10.2
12.4
14.6
23
24
25
26
27		 STL-T80R23H
STL-T80R24H
STL-T80R25H
STL-T80R26H
STL-T80R27H		 7A
7A
7A
7A
7A		 7.88
8.20
8.52
8.84
9.16		 7.344
7.661
7.979
8.296
8.614		 R1
R1
R1
R1
R1		 0.557
0.557
0.557
0.557
0.557		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 -
-
-
-
-		 -
-
-
-
-		 53/8
53/8
53/8
53/8
53/8		 15.9
18.5
20.3
23.4
25.8
28
30
36
42
45		 STL-T80R28H
STL-T80R30H
STL-T80S36H
STL-T80S42
STL-T80S45		 7A
7A
6
6
6		 9.48
10.11
12.03
13.94
14.90		 8.931
9.567
11.474
13.382
14.336		 R1
R1
S1
S1
S1		 0.557
0.557
0.557
0.557
0.557		 35/32
35/32
51/8
51/8
51/8		 27/8
27/8
43/8
43/8
43/8		 -
-
11/2
11/2
11/2		 -
-
-
-
-		 53/8
53/8
63/8
63/8
63/8		 28.1
33.3
67.0
96.1
112
52
60
68
76
95		 STL-T80U52
STL-T80U60
STL-T80U68
STL-T80U76
STL-T80U95		 6
6
6
6
7A		 17.13
19.68
22.23
24.78
30.83		 16.562
19.107
21.653
24.198
30.245		 U0
U0
U0
U0
U0		 0.557
0.557
0.557
0.557
0.557		 523/32
523/32
523/32
523/32
555/64		 51/4
51/4
51/4
51/4
51/4		 23/8
23/8
23/8
23/8
113/32		 -
-
-
-
1		 83/8
83/8
83/8
83/8
83/8		 150
207
271
344
384

 

100-1 For 1 1/4'' Pitch

100-1

Teeth

No.		 Catalog Type Diameters Bushing Dimensions Wt
Less
Bushing
O.D. P.D. T OL L P C H
11
12
13
14
15		 STL100P11H
STL100Q12H
STL100Q13H
STL100Q14H
STL100Q15H		 2
2
2
2
2		 5.01
5.42
5.82
6.23
6.63		 4.437
4.830
5.223
5.617
6.012		 P1
Q1
Q1
Q1
Q1		 0.692
0.692
0.692
0.692
0.692		 23/16
227/32
227/32
225/32
225/32		 115/16
21/2
21/2
21/2
21/2		 11/4
17/8
17/8
113/16
113/16		 -
1/16
1/16
-
-		 3
41/8
41/8
41/8
41/8		 3.0
3.5
4.3
5.6
6.5
16
17
18
19
20		 STL100Q16H
STL100Q17H
STL100Q18H
STL100Q19H
STL100Q20H		 2
2
2
2
2		 7.03
7.44
7.84
8.24
8.64		 6.407
6.803
7.198
7.595
7.991		 Q1
Q1
Q1
Q1
Q1		 0.692
0.692
0.692
0.692
0.692		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 113/16
113/16
113/16
113/16
113/16		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 7.4
8.2
9.0
9.9
10.8
21
21
22
23
24		 STL100Q21H
STL100R21H
STL100Q22H
STL100Q23H
STL100Q24H		 2
2
2
2
2		 9.04
9.04
9.44
9.84
10.25		 8.387
8.387
8.783
9.180
9.577		 Q1
R1
Q1
Q1
Q1		 0.692
0.692
0.692
0.692
0.692		 225/32
35/32
225/32
225/32
225/32		 21/2
27/8
21/2
21/2
21/2		 113/16
23/16
113/16
113/16
113/16		 -
-
-
-
-		 41/8
53/8
41/8
41/8
41/8		 17.7
13.3
12.5
13.9
15.5
24
25
25
26
26		 STL100R24H
STL100Q25H
STL100R25H
STL100Q26H
STL100R26H		 2
2
2
2
2		 10.25
10.65
10.65
11.05
11.05		 9.577
9.973
9.973
10.370
10.370		 R1
Q1
R1
Q1
R1		 0.692
0.692
0.692
0.692
0.692		 35/32
225/32
35/32
225/32
35/32		 27/8
21/2
27/8
21/2
27/8		 23/16
113/16
23/16
113/16
23/16		 -
-
-
-
-		 53/8
41/8
53/8
41/8
53/8		 16.1
16.2
17.0
17.9
18.5
27
27
28
28
30		 STL100Q27H
STL100R27H
STL100Q28H
STL100R28H
STL100Q30H		 2
2
2
2
2		 11.45
11.45
11.84
11.84
12.64		 10.767
10.767
11.164
11.164
11.958		 Q1
R1
Q1
R1
Q1		 0.692
0.692
0.692
0.692
0.692		 225/32
35/32
225/32
35/32
225/32		 21/2
27/8
21/2
27/8
21/2		 113/16
23/16
113/16
23/16
113/16		 -
-
-
-
-		 41/8
53/8
41/8
53/8
41/8		 18.2
19.6
19.9
21.0
22.6
30
31
32
32
35		 STL100R30H
STL100R31
STL100Q32
STL100R32
STL100Q35		 2
2
2
2
2		 12.64
13.04
13.44
13.44
14.64		 11.958
12.356
12.753
12.753
13.945		 R1
R1
Q1
R1
Q1		 0.692
0.692
0.692
0.692
0.692		 35/32
35/32
225/32
35/32
225/32		 27/8
27/8
21/2
27/8
21/2		 23/16
23/16
113/16
23/16
113/16		 -
-
-
-
-		 53/8
53/8
41/8
53/8
41/8		 24.5
25.8
25.3
26.5
30.2
35
36
40
42
45		 STL100R35
STL100R36
STL100R40
STL100R42
STL100R45		 2
2
2
2
2		 14.64
15.04
16.63
17.43
18.63		 13.945
14.342
15.932
16.727
17.920		 R1
R1
R1
R1
R1		 0.692
0.692
0.692
0.692
0.692		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 23/16
23/16
23/16
23/16
23/16		 -
-
-
-
-		 53/8
53/8
53/8
53/8
53/8		 29.8
33.0
40.9
44.3
50.5
48
54
60
70
72		 STL100R48
STL100R54
STL100R60
STL100R70
STL100R72		 2
2A
2A
2A
2A		 19.82
22.21
24.55
28.53
29.33		 19.112
21.498
23.884
27.862
28.657		 R1
R1
R1
R1
R1		 0.692
0.692
0.692
0.692
0.692		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 23/16
7/8
7/8
7/8
7/8		 -
15/16
15/16
15/16
15/16		 53/8
53/8
53/8
53/8
53/8		 57.5
69.0
84.0
104
106
80
84		 STL100R80
STL100R84		 2A
2A		 32.52
34.11		 31.839
33.430		 R1
R1		 0.692
0.692		 35/32
35/32		 27/8
27/8		 7/8
7/8		 15/16
15/16		 53/8
53/8		 135
138

 

100-2 For 1 1/4'' Pitch

100-2

Teeth

No.		 Catalog Type Diameters Bushing Dimensions
Wt
Less
Bushing
O.D. P.D. T OL L P C H
11
12
13
14
15		 STL-D100P11H
STL-D100Q12H
STL-D100Q13H
STL-D100Q14H
STL-D100Q15H		 5A
5
5
5A
5A		 5.01
5.42
5.82
6.23
6.63		 4.437
4.830
5.223
5.617
6.012		 P1
Q2
Q2
Q1
Q1		 0.669
0.669
0.669
0.669
0.669		 215/16
47/32
47/32
33/32
33/32		 115/16
31/2
31/2
21/2
21/2		 5/8
155/64
155/64
3/4
3/4		 3/4
7/16
7/16
5/16
5/16		 3
41/8
41/8
41/8
41/8		 4.7
5.9
7.9
8.4
9.1
16
17
18
19
20		 STL-D100Q16H
STL-D100R17H
STL-D100R18H
STL-D100R19H
STL-D100R20H		 5A
5A
5A
5A
5A		 7.03
7.44
7.84
8.24
8.64		 6.407
6.803
7.198
7.595
7.991		 Q1
R1
R1
R1
R1		 0.669
0.669
0.669
0.669
0.669		 33/32
37/32
37/32
37/32
37/32		 21/2
27/8
27/8
27/8
27/8		 3/4
7/8
7/8
7/8
7/8		 5/16
1/16
1/16
1/16
1/16		 41/8
53/8
53/8
53/8
53/8		 10.9
11.0
12.3
14.9
17.4
21
22
24
35
45		 STL-D100R21H
STL-D100R22H
STL-D100R24H
STL-D100R35
STL-D100S45		 5A
5A
5A
5A
5C		 9.04
9.44
10.25
14.64
18.63		 8.387
8.783
9.577
13.945
17.920		 R1
R1
R1
R1
S1		 0.669
0.669
0.669
0.669
0.669		 37/32
37/32
37/32
37/32
43/4		 27/8
27/8
27/8
27/8
43/8		 7/8
7/8
7/8
7/8
11/16		 1/16
1/16
1/16
1/16
115/64		 53/8
53/8
53/8
53/8
63/8		 20.3
22.8
29.5
76.8
138
60
70
80		 STL-D100S60
STL-D100S70
STL-D100S80		 5C
5D
5D		 24.60
28.58
32.57		 23.884
27.862
31.839		 S1
S1
S1		 0.669
0.669
0.669		 43/4
71/8
71/8		 43/8
63/4
63/4		 11/16
27/16
27/16		 115/64
21/4
21/4		 63/8
63/8
63/8		 251
358
431

 

120-1 For 1 1/2'' Pitch

120-1

Teeth

No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
11
12
13
14
15		 STL120Q11H
STL120Q12H
STL120Q13H
STL120Q14H
STL120Q15H		 2
2
2
2
2		 6.01
6.50
6.99
7.47
7.96		 5.324
5.796
6.268
6.741
7.215		 Q1
Q1
Q1
Q1
Q1		 0.924
0.924
0.924
0.924
0.924		 225/32
225/32
225/32
225/32
225/32		 21/2
21/2
21/2
21/2
21/2		 19/16
19/16
19/16
19/16
19/16		 -
-
-
-
-		 41/8
41/8
41/8
41/8
41/8		 4.8
6.3
7.9
9.1
10.4
16
16
17
17
18		 STL120Q16H
STL120R16H
STL120Q17H
STL120R17H
STL120Q18H		 2
2
2
2
2		 8.39
8.39
8.88
8.88
9.41		 7.689
7.689
8.163
8.163
8.638		 Q1
R1
Q1
R1
Q1		 0.924
0.924
0.924
0.924
0.924		 225/32
35/32
225/32
35/32
225/32		 21/2
27/8
21/2
27/8
21/2		 19/16
115/16
19/16
115/16
19/16		 -
-
-
-
-		 41/8
53/8
41/8
53/8
41/8		 11.8
12.3
13.4
13.6
15.6
18
19
20
21
22		 STL120R18H
STL120R19H
STL120R20H
STL120R21H
STL120R22H		 2
2
2
2
2		 9.41
9.89
10.37
10.85
11.33		 8.638
9.113
9.589
10.064
10.540		 R1
R1
R1
R1
R1		 0.924
0.924
0.924
0.924
0.924		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 115/16
115/16
115/16
115/16
115/16		 -
-
-
-
-		 53/8
53/8
53/8
53/8
53/8		 15.9
16.8
18.8
21.0
22.5
23
24
25
26
28		 STL120R23H
STL120R24H
STL120R25H
STL120R26H
STL120R28H		 2
2
2
2A
2A		 11.81
12.29
12.77
13.25
14.21		 11.016
11.492
11.968
12.444
13.397		 R1
R1
R1
R1
R1		 0.924
0.924
0.924
0.924
0.924		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 115/16
115/16
115/16
7/8
7/8		 -
-
-
11/16
11/16		 53/8
53/8
53/8
53/8
53/8		 24.8
26.9
29.8
329
38.3
30
32
35
36
40		 STL120R30H
STL120R32
STL120R35
STL120R36
STL120R40		 2A
2A
2C
2C
2C		 15.17
16.13
17.57
18.05
19.96		 14.350
15.303
16.734
17.211
19.118		 R1
R1
R2
R2
R2		 0.924
0.924
0.924
0.924
0.924		 35/32
35/32
55/32
55/32
55/32		 27/8
27/8
47/8
47/8
47/8		 7/8
7/8
115/16
115/16
115/16		 11/16
11/16
2
2
2		 53/8
53/8
53/8
53/8
53/8		 43.4
49.4
68.0
72.0
82.0
40
42
45
45
48		 STL120S40
STL120S42
STL120R45
STL120S45
STL120S48		 2A
2A
2C
2A
2A		 19.96
20.92
22.35
22.35
23.79		 19.118
20.072
21.503
21.503
22.935		 S1
S1
R2
S1
S1		 0.924
0.924
0.924
0.924
0.924		 43/4
43/4
55/32
43/4
43/4		 43/8
43/8
47/8
43/8
43/8		 11/16
11/16
115/16
11/16
11/16		 23/8
23/8
2
23/8
23/8		 63/8
63/8
53/8
63/8
63/8		 83.0
90.0
102
108
111
54
60
60
70
70		 STL120S54
STL120R60
STL120S60
STL120R70
STL120S70		 2A
2C
2A
2C
2A		 26.65
29.52
29.52
34.30
34.30		 25.798
28.661
28.611
33.434
33.434		 S1
R2
S1
R2
S2		 0.924
0.924
0.924
0.924
0.924		 43/4
55/32
43/4
55/32
71/8		 43/8
47/8
43/8
47/8
63/4		 11/16
115/16
11/16
115/16
215/16		 23/8
2
23/8
2
27/8		 63/8
53/8
63/8
53/8
63/8		 138
179
180
248
267
80
80		 STL120R80
STL120S80		 2C
2C		 39.08
39.08		 38.207
38.207		 R2
S2		 0.924
0.924		 55/32
71/8		 47/8
63/4		 115/16
215/16		 2
27/8		 53/8
63/8		 291
305

 

140-1 For 1 3/4'' Pitch

140-1


Teeth
No.		 Catalog Type Diameters Bushing Dimensions wt
Less
Bushing
O.D. P.D. T OL L P C H
11
12
13
14
15		 STL140Q11H
STL140Q12H
STL140R13H
STL140R14H
STL140R15H		 2
2
2
2
2		 7.01
7.58
8.15
8.72
9.28		 6.212
6.762
7.313
7.864
8.417		 Q1
Q1
R1
R1
R1		 0.924
0.924
0.924
0.924
0.924		 225/32
225/32
35/32
35/32
35/32		 21/2
21/2
27/8
27/8
27/8		 19/16
19/16
115/16
115/16
115/16		 -
-
-
-
-		 41/8
41/8
53/8
53/8
53/8		 6.4
9.1
11.1
12.6
14.7
16
17
18
19
20		 STL140R16H
STL140R17H
STL140R18H
STL140R19H
STL140R20H		 2
2
2
2
2		 9.85
10.41
10.97
11.54
12.10		 8.970
9.524
10.078
10.632
11.187		 R1
R1
R1
R1
R1		 0.924
0.924
0.924
0.924
0.924		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 115/16
115/16
115/16
115/16
115/16		 -
-
-
-
-		 53/8
53/8
53/8
53/8
53/8		 16.5
18.5
20.5
23.0
25.4
21
22
23
24
25		 STL140R21H
STL140R22H
STL140R23H
STL140R24H
STL140R25H		 2
2A
2A
2A
2A		 12.66
13.22
13.78
14.34
14.90		 11.742
12.297
12.852
13.407
13.963		 R1
R1
R1
R1
R1		 0.924
0.924
0.924
0.924
0.924		 35/32
35/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 115/16
7/8
7/8
7/8
7/8		 -
11/16
11/16
11/16
11/16		 53/8
53/8
53/8
53/8
53/8		 27.8
32.5
36.0
37.6
40.3
26
30
35
36
36		 STL140R26
STL140R30
STL140R35
STL140R36
STL140S36		 2A
2C
2C
2C
2A		 15.46
17.70
20.49
21.05
21.05		 14.513
16.742
19.523
20.079
20.079		 R1
R2
R2
R2
S1		 0.924
0.924
0.924
0.924
0.924		 35/32
55/32
55/32
55/32
43/4		 27/8
47/8
47/8
47/8
43/8		 7/8
115/16
115/16
115/16
11/16		 11/16
2
2
2
23/8		 53/8
53/8
53/8
53/8
63/8		 44.0
68.0
88.0
90.0
99.0
40
40
45
48
54		 STL140R40
STL140S40
STL140S45
STL140S48
STL140S54		 2C
2A
2A
2C
2C		 23.29
23.29
26.08
27.75
31.10		 22.305
22.305
25.087
26.757
30.097		 R2
S1
S1
S2
S2		 0.924
0.924
0.924
0.924
0.924		 55/32
43/4
43/4
71/2
71/2		 47/8
43/8
43/8
63/4
63/4		 115/16
11/16
11/16
215/16
215/16		 2
23/8
23/8
27/8
27/8		 53/8
63/8
63/8
63/8
63/8		 109.0
117
132
169
208
60
70
80		 STL140S60
STL140S70
STL140S80		 2C
2C
2C		 34.44
40.02
45.59		 33.438
39.006
44.575		 S2
S2
S2		 0.924
0.924
0.924		 71/2
71/2
71/2		 63/4
63/4
63/4		 215/16
215/16
215/16		 27/8
27/8
27/8		 63/8
63/8
63/8		 230
311
342

 

160-1 For 2'' Pitch

160-1

Teeth

No.		 Catalog Type Diameters Bushing Dimensions Wt
Less
Bushing
O.D. P.D. T OL L P C H
11
12
13
14
15		 STL160R11H
STL160R12H
STL160R13H
STL160R14H
STL160R15H		 2
2
2
2
2		 8.01
8.66
9.31
9.96
10.61		 7.099
7.727
8.357
8.988
9.620		 R1
R1
R1
R1
R1		 1.156
1.156
1.156
1.156
1.156		 313/32
313/32
35/32
35/32
35/32		 27/8
27/8
27/8
27/8
27/8		 131/32
131/32
123/32
123/32
123/32		 1/4
1/4
-
-
-		 53/8
53/8
53/8
53/8
53/8		 10.8
14.2
15.5
18.5
21.6
16
17
18
19
20		 STL160R16H
STL160R17H
STL160R18H
STL160R19H
STL160R20H		 2
2
2
2
2C		 11.25
11.90
12.54
13.19
13.83		 10.252
10.885
11.518
12.151
12.785		 R1
R1
R1
R1
R2		 1.156
1.156
1.156
1.156
1.156		 35/32
35/32
35/32
35/32
55/32		 27/8
27/8
27/8
27/8
47/8		 123/32
123/32
123/32
123/32
123/32		 -
-
-
-
2		 53/8
53/8
53/8
53/8
53/8		 25.0
28.0
31.9
35.9
51.0
21
22
23
24
25		 STL160R21H
STL160R22H
STL160R23H
STL160R24H
STL160B25H		 2C
2C
2C
2C
2C		 14.47
15.11
15.75
16.39
17.03		 13.419
14.053
14.688
15.323
15.958		 R2
R2
R2
R2
R2		 1.156
1.156
1.156
1.156
1.156		 55/32
55/32
55/32
55/32
55/32		 47/8
47/8
47/8
47/8
47/8		 123/32
123/32
123/32
123/32
123/32		 2
2
2
2
2		 53/8
53/8
53/8
53/8
53/8		 56.0
60.0
65.0
71.5
74.0
26
28
30
30
35		 STL160R26
STL160R28
STL160R30
STL160S30
STL160S35		 2C
2C
2C
2C
2C		 17.67
18.95
20.23
20.23
23.42		 16.593
17.863
19.134
19.134
22.312		 R2
R2
R2
S2
S2		 1.156
1.156
1.156
1.156
1.156		 55/32
55/32
55/32
71/8
71/8		 47/8
47/8
47/8
63/4
63/4		 123/32
123/32
123/32
223/32
223/32		 2
2
2
27/8
27/8		 53/8
53/8
53/8
63/8
63/8		 79.0
100
106
115
150
40
45
60
70
80		 STL160S40
STL160S45
STL160U60
STL160U70
STL160U80		 2C
2C
2C
2C
2C		 26.61
29.80
39.36
45.73
52.10		 25.491
28.671
38.215
44.578
50.943		 S2
S2
U0
U0
U1		 1.156
1.156
1.156
1.156
1.156		 71/8
71/8
525/32
525/32
719/32		 63/4
63/4
51/4
51/4
71/8		 223/32
223/32
25/32
25/32
33/32		 27/8
27/8
115/16
115/16
27/8		 63/8
63/8
83/8
83/8
83/8		 165
204
354
378
394

 

200-1 For 2 1/2'' Pitch

200-1

Teeth
No.		 Catalog Type Diameters Bushing Dimensions Wt
Less
Bushing
O.D. P.D. T OL L P C H
12
13
14
15
16		 STL200R12
STL200S13
STL200S14
STL200S15
STL200S16		 2C
2C
2C
2C
2C		 10.83
11.64
12.46
13.26
14.07		 9.660
10.447
11.235
12.025
12.815		 R2
S2
S2
S2
S2		 1.389
1.389
1.389
1.389
1.389		 55/32
71/8
71/8
71/8
71/8		 47/8
63/4
63/4
63/4
63/4		 11/2
21/2
21/2
21/2
21/2		 2
27/8
27/8
27/8
27/8		 53/8
63/8
63/8
63/8
63/8		 35.3
52.2
57.5
61.0
71.0
17
18
19
20
21		 STL200S17
STL200U18
STL200U19
STL200U20
STL200U21		 2C
2C
2C
2C
2C		 14.87
15.68
16.48
17.29
18.09		 13.605
14.397
15.190
15.982
16.775		 S2
Uo
Uo
Uo
Uo		 1.389
1.389
1.389
1.389
1.389		 71/8
523/32
523/32
523/32
523/32		 63/4
51/4
51/4
51/4
51/4		 21/2
21/4
21/4
21/4
21/4		 27/8
15/8
15/8
15/8
15/8		 63/8
83/8
83/8
83/8
83/8		 79.0
76.5
83.7
91.3
99.4
22
23
24
25
26		 STL200U22
STL200U23
STL200U24
STL200U25
STL200U26		 2C
2C
2C
2C
2C		 18.89
19.69
20.49
21.29
22.09		 17.567
18.360
19.152
19.947
20.740		 Uo
Uo
U0
Uo
Uo		 1.389
1.389
1.389
1.389
1.389		 5 23/32
5 23/32
5 23/32
5 23/32
523/32		 51/4
51/4
51/4
51/4
51/4		 21/4
21/4
21/4
21/4
21/4		 15/8
15/8
15/8
15/8
15/8		 83/8
83/8
83/8
83/8
83/8		 110
117
126
140
150
28
30
32
35
40		 STL200U28
STL200U30
STL200U32
STL200U35
STL200U40		 2C
2C
2C
2C
2C		 23.69
25.29
26.88
29.28
33.27		 22.330
23.917
25.505
27.890
31.865		 Uo
Uo
Uo
U1
U1		 1.389
1.389
1.389
1.389
1.389		 523/32
523/32
523/32
719/32
719/32		 51/4
51/4
51/4
71/8
71/8		 21/4
21/4
21/4
27/8
27/8		 15/8
15/8
15/8
27/8
27/8		 83/8
83/8
83/8
83/8
83/8		 169
188
212
252
306
45
54
60		 STL200U45
STL200U54
STL200U60		 2C
2C
2C		 37.25
44.42
49.20		 35.840
42.995
47.767		 U1
U2
U2		 1.389
1.389
1.389		 719/32
1019/32
1019/32		 71/8
101/8
101/8		 27/8
41/2
41/2		 27/8
41/4
41/4		 83/8
83/8
83/8		 290
385
445

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