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
Martin
35BS84 1
-
mac
35BS84 1 | Finished Bore Sprocket
Item #100806779
- 35 Chain Number
- 1 Strand
- 84 Teeth
- 10.247 in Outside Diameter
- 1 in Finished Bore

US Tsubaki Inc.
50BS12HT 1
-
mac
50BS12HT 1 | Finished Bore Sprocket
Item #100802674
- Finished Bore Sprocket for 50 Single Strand Chain
- 12 Teeth
- 1" Bore
- w/ Hardened Teeth

Martin
60BS20HT 1 3/8
-
mac
60BS20HT 1 3/8 | Finished Bore Sprocket
Item #100808913
- 60 Chain Number
- 1 Strand
- 20 Teeth
- 5.185 in Outside Diameter
- 1.375 in Finished Bore

Boston Gear
25B24-1/2
-
mac
25B24-1/2 | Finished Bore Sprocket
Item #101835720
- 25 Chain, 24 Tooth, 0.5 in Bore, No Keyway

Martin
40BS33 1 3/16
-
mac
40BS33 1 3/16 | Finished Bore Sprocket
Item #100807253
- 40 Chain Number
- 1 Strand
- 33 Teeth
- 5.536 in Outside Diameter
- 1.1875 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

Martin
80BS27 2 15/16
-
mac
80BS27 2 15/16 | Finished Bore Sprocket
Item #100809857
- 80 Chain Number
- 1 Strand
- 27 Teeth
- 9.156 in Outside Diameter
- 2.9375 in Finished Bore

Martin
40BS24 1 7/16
-
mac
40BS24 1 7/16 | Finished Bore Sprocket
Item #100807131
- 40 Chain Number
- 1 Strand
- 24 Teeth
- 4.098 in Outside Diameter
- 1.4375 in Finished Bore

Boston Gear
60B40-2-7/16
-
mac
60B40-2-7/16 | Finished Bore Sprocket
Item #101853662
- 60 Chain
- 40 Teeth
- 2 7/16" Bore
- 5/8 in x 5/16 in Keyway

US Tsubaki Inc.
80BS12 1 1/4
-
mac
80BS12 1 1/4 | 101628563
Item #101628563
- Finished Bore Sprocket for 80 Single Strand Chain
- 12 Teeth
- 1 1/4" Bore

Boston Gear
50B26-1 1/8
-
mac
50B26-1 1/8 | Finished Bore Sprocket
Item #101870098
- 50 Chain
- 26 Teeth
- 1 1/8" Bore
- 1/4 in x 1/8 in Keyway

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
80BS20HT 2
-
mac
80BS20HT 2 | Finished Bore Sprocket
Item #100809776
- 80 Chain Number
- 1 Strand
- 20 Teeth
- 6.914 in Outside Diameter
- 2 in Finished Bore

Martin
80BS35 1 5/8
-
mac
80BS35 1 5/8 | Finished Bore Sprocket
Item #100809941
- 80 Chain Number
- 1 Strand
- 35 Teeth
- 11.711 in Outside Diameter
- 1.625 in Finished Bore

Martin
80BS21 1 7/16
-
mac
80BS21 1 7/16 | Finished Bore Sprocket
Item #100809786
- 80 Chain Number
- 1 Strand
- 21 Teeth
- 7.235 in Outside Diameter
- 1.4375 in Finished Bore

US Tsubaki Inc.
40B112F1 1/2
-
mac
40B112F1 1/2 | Finished Bore Sprocket
Item #105081511
- Finished Bore Sprocket for 40 Single Strand Chain
- 112 Teeth
- 1 1/2" Bore

Martin
35BS21 1
-
mac
35BS21 1 | No. 35 - 3/8" Pitch - Single - Bored to Size Sprocket
Item #100806625
- 35 Chain Number
- 1 Strand
- 21 Teeth
- 2.713 in Outside Diameter
- 1 in Finished Bore

Martin
35BS36 1
-
mac
35BS36 1 | No. 35 - 3/8" Pitch - Single - Bored to Size Sprocket
Item #100806713
- 35 Chain Number
- 1 Strand
- 36 Teeth
- 4.511 in Outside Diameter
- 1 in Finished Bore

Martin
60BS112 2 3/16
-
mac
60BS112 2 3/16 | Finished Bore Sprocket
Item #100808723
- 60 Chain Number
- 1 Strand
- 112 Teeth
- 27.181 in Outside Diameter
- 2.1875 in Finished Bore

Martin
60BS21 1 7/16
-
mac
60BS21 1 7/16 | No. 60 - 3/4" Pitch - Single - Bored to Size Sprocket
Item #100808926
- 60 Chain Number
- 1 Strand
- 21 Teeth
- 5.426 in Outside Diameter
- 1.4375 in Finished Bore

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