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
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

Boston Gear
40B11-3/4
-
mac
40B11-3/4 | Finished Bore Sprocket
Item #101835019
- 40 Chain, 11 Tooth, 0.75 in Bore, With Keyway and Setscrew

Martin
60BS29 1 1/2
-
mac
60BS29 1 1/2 | Finished Bore Sprocket
Item #100809000
- 60 Chain Number
- 1 Strand
- 29 Teeth
- 7.346 in Outside Diameter
- 1.5 in Finished Bore

Martin
50BS16 1 7/16
-
mac
50BS16 1 7/16 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100807983
- 50 Chain Number
- 1 Strand
- 16 Teeth
- 3.517 in Outside Diameter
- 1.4375 in Finished Bore

Martin
50BS24 1 3/16
-
mac
50BS24 1 3/16 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808138
- 50 Chain Number
- 1 Strand
- 24 Teeth
- 5.122 in Outside Diameter
- 1.1875 in Finished Bore

Boston Gear
60B16-1 1/2
-
mac
60B16-1 1/2 | Finished Bore Sprocket
Item #101853029
- 60 Chain, 16 Tooth, 1.5 in Bore, With Keyway and Setscrew

Martin
50BS20HT 1 7/16
-
mac
50BS20HT 1 7/16 | No. 50 - 5/8" Pitch - Single - Saber Tooth Hardened - Bored to Size Sprocket
Item #100808080
- 50 Chain Number
- 1 Strand
- 20 Teeth
- 4.321 in Outside Diameter
- 1.4375 in Finished Bore

Boston Gear
35B60-3/4
-
mac
35B60-3/4 | Finished Bore Sprocket
Item #101870112
- 35 Chain, 60 Tooth, 0.75 in Bore, With Keyway and Setscrew

Boston Gear
50B45-1 7/16
-
mac
50B45-1 7/16 | Finished Bore Sprocket
Item #101853849
- 50 Chain
- 45 Teeth
- 1 7/16" Bore
- 3/8 in x 3/16 in Keyway

Martin
80BS41 2 7/16
-
mac
80BS41 2 7/16 | Finished Bore Sprocket
Item #100810010
- 80 Chain Number
- 1 Strand
- 41 Teeth
- 13.625 in Outside Diameter
- 2.4375 in Finished Bore

Boston Gear
25B19-1/2
-
mac
25B19-1/2 | Finished Bore Sprocket
Item #101809307
- 25 Chain, 19 Tooth, 0.5 in Bore, No Keyway

Martin
50BS57 1
-
mac
50BS57 1 | Finished Bore Sprocket
Item #100808469
- 50 Chain Number
- 1 Strand
- 57 Teeth
- 11.703 in Outside Diameter
- 1 in Finished Bore

Boston Gear
60B17-1-5/8
-
mac
60B17-1-5/8 | Finished Bore Sprocket
Item #101853023
- 60 Chain
- 17 Teeth
- 1 5/8" Bore
- 3/8 in x 3/16 in Keyway

Boston Gear
50B11-3/4
-
mac
50B11-3/4 | Finished Bore Sprocket
Item #101852472
- 50 Chain, 11 Tooth, 0.75 in Bore, With Keyway and Setscrew

Boston Gear
41B26-3/4
-
mac
41B26-3/4 | Finished Bore Sprocket
Item #101794656
- 41 Chain, 26 Tooth, 0.75 in Bore, With Keyway and Setscrew

Martin
50BS45 1 7/16
-
mac
50BS45 1 7/16 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808367
- 50 Chain Number
- 1 Strand
- 45 Teeth
- 9.313 in Outside Diameter
- 1.4375 in Finished Bore

Martin
80BS57 2 7/16
-
mac
80BS57 2 7/16 | Finished Bore Sprocket
Item #100965715
- 80 Chain Number
- 1 Strand
- 57 Teeth
- 18.725 in Outside Diameter
- 2.4375 in Finished Bore

Martin
35BS80 1
-
mac
35BS80 1 | Finished Bore Sprocket
Item #100806773
- 35 Chain Number
- 1 Strand
- 80 Teeth
- 9.769 in Outside Diameter
- 1 in Finished Bore

Boston Gear
40B27-5/8
-
mac
40B27-5/8 | Finished Bore Sprocket
Item #101853575
- 40 Chain, 27 Tooth, 0.625 in Bore, With Keyway and Setscrew

Martin
41BS96 1 1/2
-
mac
41BS96 1 1/2 | Finished Bore Sprocket
Item #100807764
- 41 Chain Number
- 1 Strand
- 96 Teeth
- 15.573 in Outside Diameter
- 1.5 in Finished Bore

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