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
35B40-5/8
-
mac
35B40-5/8 | Finished Bore Sprocket
Item #101818104
- 35 Chain, 40 Tooth, 0.625 in Bore, With Keyway and Setscrew

Martin
80BS45 1 3/4
-
mac
80BS45 1 3/4 | Finished Bore Sprocket
Item #100810043
- 80 Chain Number
- 1 Strand
- 45 Teeth
- 14.901 in Outside Diameter
- 1.75 in Finished Bore

Martin
80BS27 1 1/2
-
mac
80BS27 1 1/2 | Finished Bore Sprocket
Item #100809849
- 80 Chain Number
- 1 Strand
- 27 Teeth
- 9.156 in Outside Diameter
- 1.5 in Finished Bore

US Tsubaki Inc.
80B49F1 5/8
-
mac
80B49F1 5/8 | Finished Bore Sprocket
Item #105113643
- Finished Bore Sprocket for 80 Single Strand Chain
- 49 Teeth
- 1 5/8" Bore

Martin
80BS21 1 3/16
-
mac
80BS21 1 3/16 | Finished Bore Sprocket
Item #100809782
- 80 Chain Number
- 1 Strand
- 21 Teeth
- 7.235 in Outside Diameter
- 1.1875 in Finished Bore

Boston Gear
80B12-1 3/8
-
mac
80B12-1 3/8 | Finished Bore Sprocket
Item #101795388
- 80 Chain, 12 Tooth, 1.375 in Bore, With Keyway and Setscrew

Martin
41BS28 1
-
mac
41BS28 1 | Finished Bore Sprocket
Item #100807666
- 41 Chain Number
- 1 Strand
- 28 Teeth
- 4.738 in Outside Diameter
- 1 in Finished Bore

US Tsubaki Inc.
50BS20HT 1 3/16
-
mac
50BS20HT 1 3/16 | Finished Bore Sprocket
Item #105089055
- Finished Bore Sprocket for 50 Single Strand Chain
- 20 Teeth
- 1 3/16" Bore
- w/ Hardened Teeth

Martin
80BS20 1 3/16
-
mac
80BS20 1 3/16 | Finished Bore Sprocket
Item #100809763
- 80 Chain Number
- 1 Strand
- 20 Teeth
- 6.914 in Outside Diameter
- 1.1875 in Finished Bore

Boston Gear
80B18-1 9/16
-
mac
80B18-1 9/16 | Finished Bore Sprocket
Item #101793760
- 80 Chain, 18 Tooth, 1.5625 in Bore, With Keyway and Setscrew

Martin
60BS38 1 7/16
-
mac
60BS38 1 7/16 | Finished Bore Sprocket
Item #100809105
- 60 Chain Number
- 1 Strand
- 38 Teeth
- 9.501 in Outside Diameter
- 1.4375 in Finished Bore

Boston Gear
50B23-1 3/16
-
mac
50B23-1 3/16 | Finished Bore Sprocket
Item #101853721
- 50 Chain
- 23 Teeth
- 1 3/16" Bore
- 1/4 in x 1/8 in Keyway

Martin
50BS96 1 3/16
-
mac
50BS96 1 3/16 | Finished Bore Sprocket
Item #100808548
- 50 Chain Number
- 1 Strand
- 96 Teeth
- 19.467 in Outside Diameter
- 1.1875 in Finished Bore

Martin
80BS57 1 5/8
-
mac
80BS57 1 5/8 | Finished Bore Sprocket
Item #100965710
- 80 Chain Number
- 1 Strand
- 57 Teeth
- 18.725 in Outside Diameter
- 1.625 in Finished Bore

Martin
50BS43 1 3/16
-
mac
50BS43 1 3/16 | Finished Bore Sprocket
Item #100808342
- 50 Chain Number
- 1 Strand
- 43 Teeth
- 8.914 in Outside Diameter
- 1.1875 in Finished Bore

Boston Gear
60B21-1 1/2
-
mac
60B21-1 1/2 | Finished Bore Sprocket
Item #101836295
- 60 Chain, 21 Tooth, 1.5 in Bore, With Keyway and Setscrew

Martin
60BS70 1 3/4
-
mac
60BS70 1 3/4 | Finished Bore Sprocket
Item #100809374
- 60 Chain Number
- 1 Strand
- 70 Teeth
- 17.15 in Outside Diameter
- 1.75 in Finished Bore

US Tsubaki Inc.
40B112F1 1/8
-
mac
40B112F1 1/8 | Finished Bore Sprocket
Item #105079854
- Finished Bore Sprocket for 40 Single Strand Chain
- 112 Teeth
- 1 1/8" Bore

Martin
60BS55 2 3/16
-
mac
60BS55 2 3/16 | Finished Bore Sprocket
Item #100809325
- 60 Chain Number
- 1 Strand
- 55 Teeth
- 13.566 in Outside Diameter
- 2.1875 in Finished Bore

Martin
60BS52 2
-
mac
60BS52 2 | Finished Bore Sprocket
Item #100809289
- 60 Chain Number
- 1 Strand
- 52 Teeth
- 12.849 in Outside Diameter
- 2 in Finished Bore

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