brand
- Martin 3,203
- US Tsubaki Inc. 2,730
- Altra Industrial Motion 904
- Boston Gear 904
- Regal Rexnord 154
- Browning 154
InchMetric
No of Strands Across
Hardened Teeth
Boston Gear
50B17-1 1/8
-
mac
50B17-1 1/8 | Finished Bore Sprocket
Item #101835743
- 50 Chain, 17 Tooth, 1.125 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
60BS22 1 7/16
-
mac
60BS22 1 7/16 | No. 60 - 3/4" Pitch - Finished Bore Sprockets
Item #101628553
- Finished Bore Sprocket for 60 Single Strand Chain
- 22 Teeth
- 1 7/16" Bore
- w/ Hardened Teeth

Martin
50BS80 1 15/16
-
mac
50BS80 1 15/16 | Finished Bore Sprocket
Item #100808527
- 50 Chain Number
- 1 Strand
- 80 Teeth
- 16.282 in Outside Diameter
- 1.9375 in Finished Bore

Martin
40BS30 1 7/16
-
mac
40BS30 1 7/16 | No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100807219
- 40 Chain Number
- 1 Strand
- 30 Teeth
- 5.057 in Outside Diameter
- 1.4375 in Finished Bore

Martin
60BS44 2 7/16
-
mac
60BS44 2 7/16 | Finished Bore Sprocket
Item #100809187
- 60 Chain Number
- 1 Strand
- 44 Teeth
- 10.936 in Outside Diameter
- 2.4375 in Finished Bore

Boston Gear
50B11-7/8
-
mac
50B11-7/8 | Finished Bore Sprocket
Item #101836273
- 50 Chain, 11 Tooth, 0.875 in Bore, With Keyway and Setscrew

Martin
80BS30 1 5/8
-
mac
80BS30 1 5/8 | Finished Bore Sprocket
Item #100809887
- 80 Chain Number
- 1 Strand
- 30 Teeth
- 10.114 in Outside Diameter
- 1.625 in Finished Bore

US Tsubaki Inc.
40B39F3/4
-
mac
40B39F3/4 | Finished Bore Sprocket
Item #105113235
- Finished Bore Sprocket for 40 Single Strand Chain
- 39 Teeth
- 3/4" Bore

Martin
35BS72 1 1/8
-
mac
35BS72 1 1/8 | Finished Bore Sprocket
Item #100806769
- 35 Chain Number
- 1 Strand
- 72 Teeth
- 8.814 in Outside Diameter
- 1.125 in Finished Bore

US Tsubaki Inc.
50BS19HT 1 3/8
-
mac
50BS19HT 1 3/8 | Finished Bore Sprocket
Item #105075208
- Finished Bore Sprocket for 50 Single Strand Chain
- 19 Teeth
- 1 3/8" Bore
- w/ Hardened Teeth

Boston Gear
40B17-7/8
-
mac
40B17-7/8 | Finished Bore Sprocket
Item #101836583
- 40 Chain, 17 Tooth, 0.875 in Bore, With Keyway and Setscrew

Boston Gear
80B14-1 1/4
-
mac
80B14-1 1/4 | Finished Bore Sprocket
Item #101834665
- 80 Chain, 14 Tooth, 1.25 in Bore, With Keyway and Setscrew

Boston Gear
25B19-1/4
-
mac
25B19-1/4 | Finished Bore Sprocket
Item #101836821
- 25 Chain, 19 Tooth, 0.25 in Bore, No Keyway

Boston Gear
40B16-1 1/8
-
mac
40B16-1 1/8 | Finished Bore Sprocket
Item #101852569
- 40 Chain, 16 Tooth, 1.125 in Bore, With Keyway and Setscrew

Boston Gear
50B45-3/4
-
mac
50B45-3/4 | Finished Bore Sprocket
Item #101853083
- 50 Chain
- 45 Teeth
- 3/4" Bore
- 3/16 in x 3/32 in Keyway

Martin
40BS53 1 1/8
-
mac
40BS53 1 1/8 | Finished Bore Sprocket
Item #100807419
- 40 Chain Number
- 1 Strand
- 53 Teeth
- 8.725 in Outside Diameter
- 1.125 in Finished Bore

US Tsubaki Inc.
40B49F3/4
-
mac
40B49F3/4 | Finished Bore Sprocket
Item #105081520
- Finished Bore Sprocket for 40 Single Strand Chain
- 49 Teeth
- 3/4" Bore

Martin
35BS42 1 1/8
-
mac
35BS42 1 1/8 | Finished Bore Sprocket
Item #100806729
- 35 Chain Number
- 1 Strand
- 42 Teeth
- 5.229 in Outside Diameter
- 1.125 in Finished Bore

Martin
40BS37 1 7/16
-
mac
40BS37 1 7/16 | Finished Bore Sprocket
Item #100807290
- 40 Chain Number
- 1 Strand
- 37 Teeth
- 6.175 in Outside Diameter
- 1.4375 in Finished Bore

Martin
40BS46 1 7/16
-
mac
40BS46 1 7/16 | Finished Bore Sprocket
Item #100807365
- 40 Chain Number
- 1 Strand
- 46 Teeth
- 7.61 in Outside Diameter
- 1.4375 in Finished Bore

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