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
50BS27 7/8
-
mac
50BS27 7/8 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808177
- 50 Chain Number
- 1 Strand
- 27 Teeth
- 5.722 in Outside Diameter
- 0.875 in Finished Bore

Boston Gear
40B25-1 3/16
-
mac
40B25-1 3/16 | Finished Bore Sprocket
Item #101852846
- 40 Chain, 25 Tooth, 1.1875 in Bore, With Keyway and Setscrew

Martin
50BS39 1
-
mac
50BS39 1 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808293
- 50 Chain Number
- 1 Strand
- 39 Teeth
- 8.117 in Outside Diameter
- 1 in Finished Bore

Martin
50BS11 7/8
-
mac
50BS11 7/8 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100807900
- 50 Chain Number
- 1 Strand
- 11 Teeth
- 2.504 in Outside Diameter
- 0.875 in Finished Bore

Martin
60BS60 2
-
mac
60BS60 2 | No. 60 - 3/4" Pitch - Single - Bored to Size Sprocket
Item #100809369
- 60 Chain Number
- 1 Strand
- 60 Teeth
- 14.761 in Outside Diameter
- 2 in Finished Bore

US Tsubaki Inc.
35BS26 7/8
-
mac
35BS26 7/8 | No. 35 - 3/8" Pitch - Finished Bore Sprockets
Item #101621603
- Finished Bore Sprocket for 35 Single Strand Chain
- 26 Teeth
- 7/8" Bore

Martin
80BS25 2
-
mac
80BS25 2 | No. 80 - 1" Pitch - Single - Bored to Size Sprocket
Item #100809835
- 80 Chain Number
- 1 Strand
- 25 Teeth
- 8.516 in Outside Diameter
- 2 in Finished Bore

Boston Gear
50B48-1
-
mac
50B48-1 | Finished Bore Sprocket
Item #101853258
- 50 Chain
- 48 Teeth
- 1" Bore
- 1/4 in x 1/8 in Keyway

Martin
40BS50 3/4
-
mac
40BS50 3/4 | No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100807398
- 40 Chain Number
- 1 Strand
- 50 Teeth
- 8.247 in Outside Diameter
- 0.75 in Finished Bore

US Tsubaki Inc.
50BS45 1
-
mac
50BS45 1 | No. 50 - 5/8" Pitch - Finished Bore Sprockets
Item #101621439
- Finished Bore Sprocket for 50 Single Strand Chain
- 45 Teeth
- 1" Bore

Martin
80BS27 1 15/16
-
mac
80BS27 1 15/16 | Finished Bore Sprocket
Item #100809851
- 80 Chain Number
- 1 Strand
- 27 Teeth
- 9.156 in Outside Diameter
- 1.9375 in Finished Bore

Boston Gear
60B25-1-15/16
-
mac
60B25-1-15/16 | Finished Bore Sprocket
Item #101853598
- 60 Chain, 25 Tooth, 1.9375 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
80BS24 1 1/2
-
mac
80BS24 1 1/2 | No. 80 - 1" Pitch - Finished Bore Sprockets
Item #101641456
- Finished Bore Sprocket for 80 Single Strand Chain
- 24 Teeth
- 1 1/2" Bore

US Tsubaki Inc.
40BS54 1 7/16
-
mac
40BS54 1 7/16 | No. 40 - 1/2" Pitch - Finished Bore Sprockets
Item #101625057
- Finished Bore Sprocket for 40 Single Strand Chain
- 54 Teeth
- 1 7/16" Bore

Martin
50BS34 1 3/4
-
mac
50BS34 1 3/4 | No. 50 - 5/8" Pitch - Single - Bored to Size Sprocket
Item #100808244
- 50 Chain Number
- 1 Strand
- 34 Teeth
- 7.12 in Outside Diameter
- 1.75 in Finished Bore

Martin
50BS16HT 5/8
-
mac
50BS16HT 5/8 | Finished Bore Sprocket
Item #100807996
- 50 Chain Number
- 1 Strand
- 16 Teeth
- 3.517 in Outside Diameter
- 5/8 in Finished Bore

Martin
60BS41 1
-
mac
60BS41 1 | Finished Bore Sprocket
Item #100809135
- 60 Chain Number
- 1 Strand
- 41 Teeth
- 10.219 in Outside Diameter
- 1 in Finished Bore

Martin
50BS57 1 3/8
-
mac
50BS57 1 3/8 | Finished Bore Sprocket
Item #100808476
- 50 Chain Number
- 1 Strand
- 57 Teeth
- 11.703 in Outside Diameter
- 1.375 in Finished Bore

US Tsubaki Inc.
60B96F1 3/16
-
mac
60B96F1 3/16 | Finished Bore Sprocket
Item #105072895
- Finished Bore Sprocket for 60 Single Strand Chain
- 96 Teeth
- 1 3/16" Bore

Martin
50BS112 1 15/16
-
mac
50BS112 1 15/16 | Finished Bore Sprocket
Item #100807905
- 50 Chain Number
- 1 Strand
- 112 Teeth
- 22.651 in Outside Diameter
- 1.9375 in Finished Bore

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