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
60B11-1 1/8
-
mac
60B11-1 1/8 | Finished Bore Sprocket
Item #101872316
- 60 Chain, 11 Tooth, 1.125 in Bore, With Keyway and Setscrew

Boston Gear
50B12-7/8
-
mac
50B12-7/8 | Finished Bore Sprocket
Item #101835582
- 50 Chain, 12 Tooth, 0.875 in Bore, With Keyway and Setscrew

Martin
50BS44 1 1/4
-
mac
50BS44 1 1/4 | Finished Bore Sprocket
Item #100808350
- 50 Chain Number
- 1 Strand
- 44 Teeth
- 9.114 in Outside Diameter
- 1.25 in Finished Bore

US Tsubaki Inc.
80B32F2 7/16
-
mac
80B32F2 7/16 | Finished Bore Sprocket
Item #105074825
- Finished Bore Sprocket for 80 Single Strand Chain
- 32 Teeth
- 2 7/16" Bore

Boston Gear
40B22-7/8
-
mac
40B22-7/8 | Finished Bore Sprocket
Item #101835860
- 40 Chain, 22 Tooth, 0.875 in Bore, With Keyway and Setscrew

Boston Gear
25B19-3/8
-
mac
25B19-3/8 | Finished Bore Sprocket
Item #101872240
- 25 Chain, 19 Tooth, 0.375 in Bore, No Keyway

Boston Gear
80B19-1 15/16
-
mac
80B19-1 15/16 | Finished Bore Sprocket
Item #101817842
- 80 Chain, 19 Tooth, 1.9375 in Bore, With Keyway and Setscrew

Boston Gear
80B19-1 3/4
-
mac
80B19-1 3/4 | Finished Bore Sprocket
Item #101795391
- 80 Chain, 19 Tooth, 1.75 in Bore, With Keyway and Setscrew

Martin
80BS12 1
-
mac
80BS12 1 | No. 80 - 1" Pitch - Single - Bored to Size Sprocket
Item #100809580
- 80 Chain Number
- 1 Strand
- 12 Teeth
- 4.332 in Outside Diameter
- 1 in Finished Bore

Martin
41BS48 3/4
-
mac
41BS48 3/4 | Finished Bore Sprocket
Item #100807712
- 41 Chain Number
- 1 Strand
- 48 Teeth
- 7.929 in Outside Diameter
- 0.75 in Finished Bore

US Tsubaki Inc.
80BS25 2
-
mac
80BS25 2 | Finished Bore Sprocket
Item #105072897
- Finished Bore Sprocket for 80 Single Strand Chain
- 25 Teeth
- 2" Bore

Boston Gear
80B11-1
-
mac
80B11-1 | Finished Bore Sprocket
Item #101870114
- 80 Chain, 11 Tooth, 1 in Bore, With Keyway and Setscrew

Martin
50BS33 1 3/8
-
mac
50BS33 1 3/8 | Finished Bore Sprocket
Item #100808234
- 50 Chain Number
- 1 Strand
- 33 Teeth
- 6.92 in Outside Diameter
- 1.375 in Finished Bore

Martin
40BS28HT 1 1/4
-
mac
40BS28HT 1 1/4 | Finished Bore Sprocket
Item #100807199
- 40 Chain Number
- 1 Strand
- 28 Teeth
- 4.738 in Outside Diameter
- 1.25 in Finished Bore

US Tsubaki Inc.
41B40F1 3/8
-
mac
41B40F1 3/8 | Finished Bore Sprocket
Item #105073043
- Finished Bore Sprocket for 41 Single Strand Chain
- 40 Teeth
- 1 3/8" Bore

Martin
50BS40 1
-
mac
50BS40 1 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808304
- 50 Chain Number
- 1 Strand
- 40 Teeth
- 8.316 in Outside Diameter
- 1 in Finished Bore

Martin
60BS84 1 3/8
-
mac
60BS84 1 3/8 | Finished Bore Sprocket
Item #100809402
- 60 Chain Number
- 1 Strand
- 84 Teeth
- 20.494 in Outside Diameter
- 1.375 in Finished Bore

Martin
80BS57 1 3/4
-
mac
80BS57 1 3/4 | Finished Bore Sprocket
Item #100965708
- 80 Chain Number
- 1 Strand
- 57 Teeth
- 18.725 in Outside Diameter
- 1.75 in Finished Bore

Boston Gear
40B36-1 1/4
-
mac
40B36-1 1/4 | Finished Bore Sprocket
Item #101853602
- 40 Chain, 36 Tooth, 1.25 in Bore, With Keyway and Setscrew

Martin
80BS25 1 1/4
-
mac
80BS25 1 1/4 | Finished Bore Sprocket
Item #100809828
- 80 Chain Number
- 1 Strand
- 25 Teeth
- 8.516 in Outside Diameter
- 1.25 in Finished Bore

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