No. 50
STAINLESS STEEL SPROCKET DIMENSIONS
All dimensions in inches unless noted.
No. 50 Stainless Steel Sprocket Diameters
Type “B” Plain Bore
No. Teeth
Outside Diameter
Pitch Diameter
Caliper Diameter
Plain Bore
MAX Bore *
Hub Diameter
Hub Style
Wt. Lbs.
LTB
10
2.300
2.023
1.623
0.625
0.875
1.563 ¨
1.000
S
0.50
11
2.500
2.219
1.796
0.625
1.000
1.750 ¨
1.000
S
0.60
12
2.710
2.415
2.015
0.625
1.250
1.984 ¨
1.000
S
0.70
13
2.910
2.612
2.193
0.625
1.313
1.875
1.000
S
0.80
14
3.110
2.809
2.409
0.625
1.438
2.125
1.000
S
1.00
15
3.320
3.006
2.590
0.625
1.500
2.375
1.000
S
1.30
16
3.520
3.204
2.804
0.625
1.750
2.500
1.000
S
1.50
17
3.720
3.401
2.987
0.625
1.875
2.688
1.000
S
1.80
18
3.920
3.599
3.199
0.625
1.875
2.875
1.000
S
2.00
19
4.120
3.798
3.384
0.625
1.750
2.500
1.000
S
2.30
20
4.320
3.995
3.595
0.750
1.750
2.500
1.000
S
2.50
21
4.520
4.194
3.782
0.750
2.000
3.000
1.000
D
2.70
22
4.720
4.392
3.992
0.750
2.000
3.000
1.000
D
3.30
23
4.920
4.590
4.179
0.750
2.000
3.000
1.000
D
3.80
24
5.120
4.788
4.388
0.750
2.000
3.000
1.250
D
4.10
25
5.320
4.987
4.577
0.750
2.000
3.000
1.250
D
4.30
26
5.520
5.185
4.785
0.750
2.000
3.000
1.250
D
4.60
28
5.920
5.582
5.182
0.750
2.000
3.000
1.250
D
5.00
30
6.320
5.979
5.579
0.750
2.250
3.250
1.250
D
5.20
35
7.320
6.973
6.565
0.750
2.250
3.250
1.250
D
6.50
40
8.320
7.966
7.566
0.750
2.250
3.250
1.250
D
7.80
45
9.310
8.960
8.554
0.750
2.500
3.750
1.250
D
8.50
* Dimensions shown allow for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance
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