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
50B35-1 1/4
-
mac
50B35-1 1/4 | Finished Bore Sprocket
Item #101853510
- 50 Chain
- 35 Teeth
- 1 1/4" Bore
- 1/4 in x 1/8 in Keyway

Martin
60BS44 1 3/8
-
mac
60BS44 1 3/8 | Finished Bore Sprocket
Item #100809181
- 60 Chain Number
- 1 Strand
- 44 Teeth
- 10.936 in Outside Diameter
- 1.375 in Finished Bore

Martin
50BS21 1
-
mac
50BS21 1 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808083
- 50 Chain Number
- 1 Strand
- 21 Teeth
- 4.522 in Outside Diameter
- 1 in Finished Bore

US Tsubaki Inc.
100B11F-1
-
mac
100B11F-1 | Finished Bore Sprocket
Item #105074849
- Finished Bore Sprocket for 100 Single Strand Chain
- 11 Teeth
- 1" Bore

US Tsubaki Inc.
40B96F3/4
-
mac
40B96F3/4 | Finished Bore Sprocket
Item #105074698
- Finished Bore Sprocket for 40 Single Strand Chain
- 96 Teeth
- 3/4" Bore

Boston Gear
40B30-1 1/8
-
mac
40B30-1 1/8 | Finished Bore Sprocket
Item #101796148
- 40 Chain, 30 Tooth, 1.125 in Bore, With Keyway and Setscrew

Martin
41BS27 1
-
mac
41BS27 1 | Finished Bore Sprocket
Item #100807663
- 41 Chain Number
- 1 Strand
- 27 Teeth
- 4.578 in Outside Diameter
- 1 in Finished Bore

Martin
40BS23 1 1/2
-
mac
40BS23 1 1/2 | Finished Bore Sprocket
Item #100807106
- 40 Chain Number
- 1 Strand
- 23 Teeth
- 3.938 in Outside Diameter
- 1.5 in Finished Bore

US Tsubaki Inc.
40BS18HT 3/4
-
mac
40BS18HT 3/4 | Finished Bore Sprocket
Item #105089406
- Finished Bore Sprocket for 40 Single Strand Chain
- 18 Teeth
- 3/4" Bore
- w/ Hardened Teeth

US Tsubaki Inc.
60BS18HT 1 5/8
-
mac
60BS18HT 1 5/8 | Finished Bore Sprocket
Item #105088094
- Finished Bore Sprocket for 60 Single Strand Chain
- 18 Teeth
- 1 5/8" Bore
- w/ Hardened Teeth

Boston Gear
40B24-1
-
mac
40B24-1 | Finished Bore Sprocket
Item #101836587
- 40 Chain, 24 Tooth, 1 in Bore, With Keyway and Setscrew

Martin
100BS21 2 15/16
-
mac
100BS21 2 15/16 | Finished Bore Sprocket
Item #100805893
- 100 Chain Number
- 1 Strand
- 21 Teeth
- 9.043 in Outside Diameter
- 2.9375 in Finished Bore

Martin
60BS54 1 7/16
-
mac
60BS54 1 7/16 | Finished Bore Sprocket
Item #100809314
- 60 Chain Number
- 1 Strand
- 54 Teeth
- 13.327 in Outside Diameter
- 1.4375 in Finished Bore

Martin
40BS30HT 1 1/4
-
mac
40BS30HT 1 1/4 | Finished Bore Sprocket
Item #100807225
- 40 Chain Number
- 1 Strand
- 30 Teeth
- 5.057 in Outside Diameter
- 1.25 in Finished Bore

Martin
50BS17 1 1/2
-
mac
50BS17 1 1/2 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100807999
- 50 Chain Number
- 1 Strand
- 17 Teeth
- 3.718 in Outside Diameter
- 1.5 in Finished Bore

Martin
80BS19 2 15/16
-
mac
80BS19 2 15/16 | Finished Bore Sprocket
Item #100965636
- 80 Chain Number
- 1 Strand
- 19 Teeth
- 6.593 in Outside Diameter
- 2.9375 in Finished Bore

Boston Gear
35B15-1/2
-
mac
35B15-1/2 | Finished Bore Sprocket
Item #101839973
- 35 Chain
- 15 Teeth
- 1/2" Bore
- 1/8 in x 1/16 in Keyway

Martin
50BS13 1
-
mac
50BS13 1 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100807928
- 50 Chain Number
- 1 Strand
- 13 Teeth
- 2.911 in Outside Diameter
- 1 in Finished Bore

Martin
40BS32 1 7/16
-
mac
40BS32 1 7/16 | Finished Bore Sprocket
Item #100807245
- 40 Chain Number
- 1 Strand
- 32 Teeth
- 5.377 in Outside Diameter
- 1.4375 in Finished Bore

Martin
50BS9HT 5/8
-
mac
50BS9HT 5/8 | Finished Bore Sprocket
Item #100808553
- 50 Chain Number
- 1 Strand
- 9 Teeth
- 2.092 in Outside Diameter
- 5/8 in Finished Bore

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