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
40B19-1
-
mac
40B19-1 | Finished Bore Sprocket
Item #101835581
- 40 Chain, 19 Tooth, 1 in Bore, With Keyway and Setscrew

Martin
80BS55 2 3/16
-
mac
80BS55 2 3/16 | Finished Bore Sprocket
Item #100965694
- 80 Chain Number
- 1 Strand
- 55 Teeth
- 18.088 in Outside Diameter
- 2.1875 in Finished Bore

Boston Gear
50B25-1 1/8
-
mac
50B25-1 1/8 | Finished Bore Sprocket
Item #101853176
- 50 Chain
- 25 Teeth
- 1 1/8" Bore
- 1/4 in x 1/8 in Keyway

Martin
50BS39 1 15/16
-
mac
50BS39 1 15/16 | Finished Bore Sprocket
Item #100808297
- 50 Chain Number
- 1 Strand
- 39 Teeth
- 8.117 in Outside Diameter
- 1.9375 in Finished Bore

Boston Gear
40B14-1/2
-
mac
40B14-1/2 | 101835005
Item #101835005
- 40 Chain, 14 Tooth, 0.5 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
41B45F1 1/2
-
mac
41B45F1 1/2 | Finished Bore Sprocket
Item #105113248
- Finished Bore Sprocket for 41 Single Strand Chain
- 45 Teeth
- 1 1/2" Bore

Martin
35BS45 1 1/8
-
mac
35BS45 1 1/8 | Finished Bore Sprocket
Item #100806736
- 35 Chain Number
- 1 Strand
- 45 Teeth
- 5.588 in Outside Diameter
- 1.125 in Finished Bore

Martin
50BS19HT 1 7/16
-
mac
50BS19HT 1 7/16 | Finished Bore Sprocket
Item #100808060
- 50 Chain Number
- 1 Strand
- 19 Teeth
- 4.12 in Outside Diameter
- 1.4375 in Finished Bore

Martin
80BS57 1 7/16
-
mac
80BS57 1 7/16 | Finished Bore Sprocket
Item #100965711
- 80 Chain Number
- 1 Strand
- 57 Teeth
- 18.725 in Outside Diameter
- 1.4375 in Finished Bore

Martin
100BS14 1 15/16
-
mac
100BS14 1 15/16 | Finished Bore Sprocket
Item #100805851
- 100 Chain Number
- 1 Strand
- 14 Teeth
- 6.227 in Outside Diameter
- 1.9375 in Finished Bore

Boston Gear
41B28-5/8
-
mac
41B28-5/8 | Finished Bore Sprocket
Item #101842972
- 41 Chain, 28 Tooth, 0.625 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
50B49F7/8
-
mac
50B49F7/8 | Finished Bore Sprocket
Item #105079048
- Finished Bore Sprocket for 50 Single Strand Chain
- 49 Teeth
- 7/8" Bore

US Tsubaki Inc.
80B46F1 1/2
-
mac
80B46F1 1/2 | Finished Bore Sprocket
Item #105077610
- Finished Bore Sprocket for 80 Single Strand Chain
- 46 Teeth
- 1 1/2" Bore

US Tsubaki Inc.
80BS13HT 1 15/16
-
mac
80BS13HT 1 15/16 | Finished Bore Sprocket
Item #105091002
- Finished Bore Sprocket for 80 Single Strand Chain
- 13 Teeth
- 1 15/16" Bore
- w/ Hardened Teeth

Martin
50BS55 1 7/16
-
mac
50BS55 1 7/16 | Finished Bore Sprocket
Item #100808459
- 50 Chain Number
- 1 Strand
- 55 Teeth
- 11.305 in Outside Diameter
- 1.4375 in Finished Bore

Boston Gear
50B21-1 7/16
-
mac
50B21-1 7/16 | Finished Bore Sprocket
Item #101881210
- 50 Chain, 21 Tooth, 1.4375 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
80B48F1 3/16
-
mac
80B48F1 3/16 | Finished Bore Sprocket
Item #105087278
- Finished Bore Sprocket for 80 Single Strand Chain
- 48 Teeth
- 1 3/16" Bore

Boston Gear
80B12-1 3/4
-
mac
80B12-1 3/4 | Finished Bore Sprocket
Item #101852806
- 80 Chain, 12 Tooth, 1.75 in Bore, With Keyway and Setscrew

Boston Gear
40B35-1 1/4
-
mac
40B35-1 1/4 | Finished Bore Sprocket
Item #101853506
- 40 Chain, 35 Tooth, 1.25 in Bore, With Keyway and Setscrew

Boston Gear
50B60-1 1/2
-
mac
50B60-1 1/2 | Finished Bore Sprocket
Item #101852843
- 50 Chain, 60 Tooth, 1.5 in Bore, With Keyway and Setscrew

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