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
25B14-1/4
-
mac
25B14-1/4 | Finished Bore Sprocket
Item #101883414
- 25 Chain
- 14 Teeth
- 1/4" Bore
- No Keyway

US Tsubaki Inc.
80BS13HT 1 3/8
-
mac
80BS13HT 1 3/8 | Finished Bore Sprocket
Item #105089426
- Finished Bore Sprocket for 80 Single Strand Chain
- 13 Teeth
- 1 3/8" Bore
- w/ Hardened Teeth

Martin
60BS39 1
-
mac
60BS39 1 | Finished Bore Sprocket
Item #100809109
- 60 Chain Number
- 1 Strand
- 39 Teeth
- 9.74 in Outside Diameter
- 1 in Finished Bore

Martin
80BS54 2 3/16
-
mac
80BS54 2 3/16 | Finished Bore Sprocket
Item #100965684
- 80 Chain Number
- 1 Strand
- 54 Teeth
- 17.769 in Outside Diameter
- 2.1875 in Finished Bore

Martin
100BS21 2 3/16
-
mac
100BS21 2 3/16 | Finished Bore Sprocket
Item #100805894
- 100 Chain Number
- 1 Strand
- 21 Teeth
- 9.043 in Outside Diameter
- 2.1875 in Finished Bore

Martin
80BS27 1 7/16
-
mac
80BS27 1 7/16 | Finished Bore Sprocket
Item #100809855
- 80 Chain Number
- 1 Strand
- 27 Teeth
- 9.156 in Outside Diameter
- 1.4375 in Finished Bore

Boston Gear
60B22-1-15/16
-
mac
60B22-1-15/16 | Finished Bore Sprocket
Item #101870109
- 60 Chain
- 22 Teeth
- 1 15/16" Bore
- 1/2 in x 1/4 in Keyway

Boston Gear
60B45-1 3/16
-
mac
60B45-1 3/16 | Finished Bore Sprocket
Item #101795381
- 60 Chain, 45 Tooth, 1.1875 in Bore, With Keyway and Setscrew

Martin
100BS18 2 3/16
-
mac
100BS18 2 3/16 | Finished Bore Sprocket
Item #100805877
- 100 Chain Number
- 1 Strand
- 18 Teeth
- 7.839 in Outside Diameter
- 2.1875 in Finished Bore

Boston Gear
50B15-1
-
mac
50B15-1 | Finished Bore Sprocket
Item #101834640
- 50 Chain, 15 Tooth, 1 in Bore, With Keyway and Setscrew

Boston Gear
35B20-3/4
-
mac
35B20-3/4 | Finished Bore Sprocket
Item #101835853
- 35 Chain, 20 Tooth, 0.75 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
40BS14HT 1
-
mac
40BS14HT 1 | Finished Bore Sprocket
Item #105089627
- Finished Bore Sprocket for 40 Single Strand Chain
- 14 Teeth
- 1" Bore
- w/ Hardened Teeth

Boston Gear
50B19-1
-
mac
50B19-1 | Finished Bore Sprocket
Item #101836656
- 50 Chain, 19 Tooth, 1 in Bore, With Keyway and Setscrew

Boston Gear
40B15-1/2
-
mac
40B15-1/2 | Finished Bore Sprocket
Item #101834830
- 40 Chain, 15 Tooth, 0.5 in Bore, With Keyway and Setscrew

Martin
60BS37 1 15/16
-
mac
60BS37 1 15/16 | Finished Bore Sprocket
Item #100809087
- 60 Chain Number
- 1 Strand
- 37 Teeth
- 9.262 in Outside Diameter
- 1.9375 in Finished Bore

Martin
80BS24 1 3/4
-
mac
80BS24 1 3/4 | Finished Bore Sprocket
Item #100809819
- 80 Chain Number
- 1 Strand
- 24 Teeth
- 8.196 in Outside Diameter
- 1.75 in Finished Bore

Martin
80BS31 1 3/4
-
mac
80BS31 1 3/4 | Finished Bore Sprocket
Item #100809896
- 80 Chain Number
- 1 Strand
- 31 Teeth
- 10.434 in Outside Diameter
- 1.75 in Finished Bore

Boston Gear
50B28-1 7/16
-
mac
50B28-1 7/16 | Finished Bore Sprocket
Item #101853847
- 50 Chain
- 28 Teeth
- 1 7/16" Bore
- 3/8 in x 3/16 in Keyway

Martin
41BS11 1/2
-
mac
41BS11 1/2 | Finished Bore Sprocket
Item #100807602
- 41 Chain Number
- 1 Strand
- 11 Teeth
- 2.003 in Outside Diameter
- 0.5 in Finished Bore

Martin
80BS28 1 7/16
-
mac
80BS28 1 7/16 | Finished Bore Sprocket
Item #100809866
- 80 Chain Number
- 1 Strand
- 28 Teeth
- 9.475 in Outside Diameter
- 1.4375 in Finished Bore

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