Size 40 Stock Bore Sprockets

40 B Type Stock Bore Roller Chain Sprockets

Description

B TYPE STOCK BORE

All PLI sprockets are manufactured using the ISO 9001 quality management system. B type sprockets have a stock bore and usually require some altering before installation. B Type sprockets have a hub on one side. The teeth will be hardened on sprockets with 40 or fewer teeth.

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Model Specifications 

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Size 40 Stock Bore Sprockets

Part No.Part DescriptionNo. of TeethOutside DiameterPitch DiameterBoreMax BoreHub Dia.L.T.BWgt. Lbs.
Part No.:
40B08
Part Description:
40B08H
No. of Teeth:
8
Outside Diameter:
1.500"
Pitch Diameter:
1.307"
Bore:
1/2"
Max Bore:
1/2"
Hub Dia.:
31/32"*
L.T.B:
7/8"
Wgt. Lbs.:
0.18
Part No.:
40B09
Part Description:
40B09H
No. of Teeth:
9
Outside Diameter:
1.670"
Pitch Diameter:
1.462"
Bore:
1/2"
Max Bore:
9/16"
Hub Dia.:
1 1/16"*
L.T.B:
7/8"
Wgt. Lbs.:
0.2
Part No.:
40B10
Part Description:
40B10H
No. of Teeth:
10
Outside Diameter:
1.840"
Pitch Diameter:
1.618"
Bore:
1/2"
Max Bore:
3/4"
Hub Dia.:
1 1/4"*
L.T.B:
7/8"
Wgt. Lbs.:
0.27
Part No.:
40B11
Part Description:
40B11H
No. of Teeth:
11
Outside Diameter:
2.000"
Pitch Diameter:
1.775"
Bore:
1/2"
Max Bore:
7/8"
Hub Dia.:
1 3/8"*
L.T.B:
7/8"
Wgt. Lbs.:
0.35
Part No.:
40B12
Part Description:
40B12H
No. of Teeth:
12
Outside Diameter:
2.170"
Pitch Diameter:
1.932"
Bore:
1/2"
Max Bore:
1"
Hub Dia.:
1 9/16"*
L.T.B:
7/8"
Wgt. Lbs.:
0.45
Part No.:
40B13
Part Description:
40B13H
No. of Teeth:
13
Outside Diameter:
2.330"
Pitch Diameter:
2.089"
Bore:
1/2"
Max Bore:
1 1/116"
Hub Dia.:
1 9/16"
L.T.B:
7/8"
Wgt. Lbs.:
0.5
Part No.:
40B14
Part Description:
40B14H
No. of Teeth:
14
Outside Diameter:
2.490"
Pitch Diameter:
2.247"
Bore:
1/2"
Max Bore:
1 1/8"
Hub Dia.:
1 11/16"
L.T.B:
7/8"
Wgt. Lbs.:
0.59
Part No.:
40B15
Part Description:
40B15H
No. of Teeth:
15
Outside Diameter:
2.650"
Pitch Diameter:
2.405"
Bore:
1/2"
Max Bore:
1 1/4"
Hub Dia.:
1 13/16"
L.T.B:
7/8"
Wgt. Lbs.:
0.7
Part No.:
40B16
Part Description:
40B16H
No. of Teeth:
16
Outside Diameter:
2.810"
Pitch Diameter:
2.563"
Bore:
5/8"
Max Bore:
1 3/8"
Hub Dia.:
2"
L.T.B:
7/8"
Wgt. Lbs.:
0.79
Part No.:
40B17
Part Description:
40B17H
No. of Teeth:
17
Outside Diameter:
2.980"
Pitch Diameter:
2.721"
Bore:
5/8"
Max Bore:
1 7/16"
Hub Dia.:
2 1/8"
L.T.B:
1"
Wgt. Lbs.:
1.04
Part No.:
40B18
Part Description:
40B18H
No. of Teeth:
18
Outside Diameter:
3.140"
Pitch Diameter:
2.879"
Bore:
5/8"
Max Bore:
1 1/2"
Hub Dia.:
2 5/16"
L.T.B:
1"
Wgt. Lbs.:
1.22
Part No.:
40B19
Part Description:
40B19H
No. of Teeth:
19
Outside Diameter:
3.300"
Pitch Diameter:
3.038"
Bore:
5/8"
Max Bore:
1 3/4"
Hub Dia.:
2 1/2"
L.T.B:
1"
Wgt. Lbs.:
1.43
Part No.:
40B20
Part Description:
40B20H
No. of Teeth:
20
Outside Diameter:
3.460"
Pitch Diameter:
3.196"
Bore:
5/8"
Max Bore:
1 7/8"
Hub Dia.:
2 5/8"
L.T.B:
1"
Wgt. Lbs.:
1.56
Part No.:
40B21
Part Description:
40B21H
No. of Teeth:
21
Outside Diameter:
3.620"
Pitch Diameter:
3.355"
Bore:
5/8"
Max Bore:
1 7/8"
Hub Dia.:
2 3/4"
L.T.B:
1"
Wgt. Lbs.:
1.73
Part No.:
40B22
Part Description:
40B22H
No. of Teeth:
22
Outside Diameter:
3.780"
Pitch Diameter:
3.513"
Bore:
5/8"
Max Bore:
1 7/8"
Hub Dia.:
2 7/8"
L.T.B:
1"
Wgt. Lbs.:
1.96
Part No.:
40B23
Part Description:
40B23H
No. of Teeth:
23
Outside Diameter:
3.940"
Pitch Diameter:
3.672"
Bore:
5/8"
Max Bore:
2"
Hub Dia.:
3"
L.T.B:
1"
Wgt. Lbs.:
2.13
Part No.:
40B24
Part Description:
40B24H
No. of Teeth:
24
Outside Diameter:
4.100"
Pitch Diameter:
3.831"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.41
Part No.:
40B25
Part Description:
40B25H
No. of Teeth:
25
Outside Diameter:
4.260"
Pitch Diameter:
3.989"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.54
Part No.:
40B26
Part Description:
40B26H
No. of Teeth:
26
Outside Diameter:
4.420"
Pitch Diameter:
4.148"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.58
Part No.:
40B27
Part Description:
40B27H
No. of Teeth:
27
Outside Diameter:
4.580"
Pitch Diameter:
4.307"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.66
Part No.:
40B28
Part Description:
40B28H
No. of Teeth:
28
Outside Diameter:
4.740"
Pitch Diameter:
4.466"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.73
Part No.:
40B29
Part Description:
40B29H
No. of Teeth:
29
Outside Diameter:
4.900"
Pitch Diameter:
4.670"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.86
Part No.:
40B30
Part Description:
40B30H
No. of Teeth:
30
Outside Diameter:
5.060"
Pitch Diameter:
4.873"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
2.98
Part No.:
40B32
Part Description:
40B32H
No. of Teeth:
32
Outside Diameter:
5.380"
Pitch Diameter:
5.101"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.16
Part No.:
40B33
Part Description:
40B33H
No. of Teeth:
33
Outside Diameter:
5.540"
Pitch Diameter:
5.260"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.22
Part No.:
40B34
Part Description:
40B34H
No. of Teeth:
34
Outside Diameter:
5.700"
Pitch Diameter:
5.419"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.3
Part No.:
40B35
Part Description:
40B35H
No. of Teeth:
35
Outside Diameter:
5.860"
Pitch Diameter:
5.578"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.46
Part No.:
40B36
Part Description:
40B36H
No. of Teeth:
36
Outside Diameter:
6.020"
Pitch Diameter:
5.737"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.58
Part No.:
40B37
Part Description:
40B37H
No. of Teeth:
37
Outside Diameter:
6.170"
Pitch Diameter:
5.896"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.64
Part No.:
40B38
Part Description:
40B38H
No. of Teeth:
38
Outside Diameter:
6.330"
Pitch Diameter:
6.055"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.7
Part No.:
40B39
Part Description:
40B39H
No. of Teeth:
39
Outside Diameter:
6.490"
Pitch Diameter:
6.214"
Bore:
5/8"
Max Bore:
2 1/4"
Hub Dia.:
3 1/4"
L.T.B:
1"
Wgt. Lbs.:
3.76
Part No.:
40B40
Part Description:
40B40H
No. of Teeth:
40
Outside Diameter:
6.650"
Pitch Diameter:
6.373"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
4.69
Part No.:
40B41
Part Description:
40B41
No. of Teeth:
41
Outside Diameter:
6.810"
Pitch Diameter:
6.532"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
4.76
Part No.:
40B42
Part Description:
40B42
No. of Teeth:
42
Outside Diameter:
6.970"
Pitch Diameter:
6.691"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
4.82
Part No.:
40B44
Part Description:
40B44
No. of Teeth:
44
Outside Diameter:
7.290"
Pitch Diameter:
6.930"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
5.22
Part No.:
40B45
Part Description:
40B45
No. of Teeth:
45
Outside Diameter:
7.450"
Pitch Diameter:
7.168"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
5.3
Part No.:
40B46
Part Description:
40B46
No. of Teeth:
46
Outside Diameter:
7.610"
Pitch Diameter:
7.327"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
5.39
Part No.:
40B47
Part Description:
40B47
No. of Teeth:
47
Outside Diameter:
7.770"
Pitch Diameter:
7.486"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
5.44
Part No.:
40B48
Part Description:
40B48
No. of Teeth:
48
Outside Diameter:
7.930"
Pitch Diameter:
7.645"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
5.84
Part No.:
40B50
Part Description:
40B50
No. of Teeth:
50
Outside Diameter:
8.250"
Pitch Diameter:
7.963"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
5.96
Part No.:
40B52
Part Description:
40B52
No. of Teeth:
52
Outside Diameter:
8.570"
Pitch Diameter:
8.175"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
6.14
Part No.:
40B53
Part Description:
40B53
No. of Teeth:
53
Outside Diameter:
8.730"
Pitch Diameter:
8.387"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
6.28
Part No.:
40B54
Part Description:
40B54
No. of Teeth:
54
Outside Diameter:
8.890"
Pitch Diameter:
8.599"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
6.42
Part No.:
40B56
Part Description:
40B56
No. of Teeth:
56
Outside Diameter:
9.200"
Pitch Diameter:
8.918"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
7.02
Part No.:
40B60
Part Description:
40B60
No. of Teeth:
60
Outside Diameter:
9.840"
Pitch Diameter:
9.554"
Bore:
3/4"
Max Bore:
2 3/8"
Hub Dia.:
3 1/2"
L.T.B:
1 1/8"
Wgt. Lbs.:
7.86
Part No.:
40B70
Part Description:
40B70
No. of Teeth:
70
Outside Diameter:
11.430"
Pitch Diameter:
11.145"
Bore:
3/4"
Max Bore:
2 3/4"
Hub Dia.:
4"
L.T.B:
1 1/4"
Wgt. Lbs.:
11
Part No.:
40B72
Part Description:
40B72
No. of Teeth:
72
Outside Diameter:
11.750"
Pitch Diameter:
11.463"
Bore:
3/4"
Max Bore:
2 3/4"
Hub Dia.:
4"
L.T.B:
1 1/4"
Wgt. Lbs.:
11.5
Part No.:
40B80
Part Description:
40B80
No. of Teeth:
80
Outside Diameter:
13.030"
Pitch Diameter:
12.736"
Bore:
3/4"
Max Bore:
2 3/4"
Hub Dia.:
4"
L.T.B:
1 1/4"
Wgt. Lbs.:
13.4
Part No.:
40B84
Part Description:
40B84
No. of Teeth:
84
Outside Diameter:
13.660"
Pitch Diameter:
13.372"
Bore:
3/4"
Max Bore:
2 3/4"
Hub Dia.:
4"
L.T.B:
1 1/4"
Wgt. Lbs.:
14.04
Part No.:
40B96
Part Description:
40B96
No. of Teeth:
96
Outside Diameter:
15.570"
Pitch Diameter:
15.281"
Bore:
1"
Max Bore:
2 3/4"
Hub Dia.:
4"
L.T.B:
1 1/4"
Wgt. Lbs.:
17.56
Part No.:
40B112
Part Description:
40B112
No. of Teeth:
112
Outside Diameter:
18.120"
Pitch Diameter:
17.828"
Bore:
1"
Max Bore:
2 3/4"
Hub Dia.:
4"
L.T.B:
1 1/4"
Wgt. Lbs.:
22.56

*Has recessed groove in hub for chain clearance. 1/2" Pitch, Nominal = 0.284", Maximun bores shown will accommodate standard keyseat & setscrew over Keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to