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
40BS20HT 1 3/8
-
mac
40BS20HT 1 3/8 | Finished Bore Sprocket
Item #100807060
- 40 Chain Number
- 1 Strand
- 20 Teeth
- 3.457 in Outside Diameter
- 1.375 in Finished Bore

US Tsubaki Inc.
50BS18HT 1 3/16
-
mac
50BS18HT 1 3/16 | Finished Bore Sprocket
Item #105091192
- Finished Bore Sprocket for 50 Single Strand Chain
- 18 Teeth
- 1 3/16" Bore
- w/ Hardened Teeth

Boston Gear
40B30-1 3/16
-
mac
40B30-1 3/16 | Finished Bore Sprocket
Item #101818977
- 40 Chain, 30 Tooth, 1.1875 in Bore, With Keyway and Setscrew

Boston Gear
50B23-1 1/4
-
mac
50B23-1 1/4 | Finished Bore Sprocket
Item #101835587
- 50 Chain, 23 Tooth, 1.25 in Bore, With Keyway and Setscrew

Boston Gear
40B16-1 3/16
-
mac
40B16-1 3/16 | Finished Bore Sprocket
Item #101834648
- 40 Chain, 16 Tooth, 1.1875 in Bore, With Keyway and Setscrew

Boston Gear
25B20-5/8
-
mac
25B20-5/8 | Finished Bore Sprocket
Item #101872026
- 25 Chain, 20 Tooth, 0.625 in Bore, No Keyway

Martin
60BS56 1 15/16
-
mac
60BS56 1 15/16 | Finished Bore Sprocket
Item #100809328
- 60 Chain Number
- 1 Strand
- 56 Teeth
- 13.805 in Outside Diameter
- 1.9375 in Finished Bore

Boston Gear
35B20-1/2
-
mac
35B20-1/2 | Finished Bore Sprocket
Item #101854310
- 35 Chain, 20 Tooth, 0.5 in Bore, With Keyway and Setscrew

Boston Gear
35B30-1/2
-
mac
35B30-1/2 | Finished Bore Sprocket
Item #101835075
- 35 Chain, 30 Tooth, 0.5 in Bore, With Keyway and Setscrew

US Tsubaki Inc.
80BS11HT 1 1/8
-
mac
80BS11HT 1 1/8 | Finished Bore Sprocket
Item #105090788
- Finished Bore Sprocket for 80 Single Strand Chain
- 11 Teeth
- 1 1/8" Bore
- w/ Hardened Teeth

Martin
35BS15 3/4
-
mac
35BS15 3/4 | No. 35 - 3/8" Pitch - Single - Bored to Size Sprocket
Item #100806573
- 35 Chain Number
- 1 Strand
- 15 Teeth
- 1.989 in Outside Diameter
- 0.75 in Finished Bore

Martin
50BS16HT 1 1/8
-
mac
50BS16HT 1 1/8 | No. 50 - 5/8" Pitch - Single - Saber Tooth Hardened - Bored to Size Sprocket
Item #100807990
- 50 Chain Number
- 1 Strand
- 16 Teeth
- 3.517 in Outside Diameter
- 1.125 in Finished Bore

US Tsubaki Inc.
50BS25 3/4
-
mac
50BS25 3/4 | No. 50 - 5/8" Pitch - Finished Bore Sprockets
Item #101624339
- Finished Bore Sprocket for 50 Single Strand Chain
- 25 Teeth
- 3/4" Bore

Martin
60BS21 1 1/4
-
mac
60BS21 1 1/4 | No. 60 - 3/4" Pitch - Single - Bored to Size Sprocket
Item #100808919
- 60 Chain Number
- 1 Strand
- 21 Teeth
- 5.426 in Outside Diameter
- 1.25 in Finished Bore

US Tsubaki Inc.
50B49F1 1/2
-
mac
50B49F1 1/2 | Finished Bore Sprocket
Item #105072630
- Finished Bore Sprocket for 50 Single Strand Chain
- 49 Teeth
- 1 1/2" Bore

Boston Gear
40B60-1 1/2
-
mac
40B60-1 1/2 | Finished Bore Sprocket
Item #101870095
- 40 Chain
- 60 Teeth
- 1 1/2" Bore
- 3/8 in x 3/16 in Keyway

Martin
60BS54 2 3/16
-
mac
60BS54 2 3/16 | Finished Bore Sprocket
Item #100809316
- 60 Chain Number
- 1 Strand
- 54 Teeth
- 13.327 in Outside Diameter
- 2.1875 in Finished Bore

Martin
60BS16HT 3/4
-
mac
60BS16HT 3/4 | Finished Bore Sprocket
Item #100808831
- 60 Chain Number
- 1 Strand
- 16 Teeth
- 4.221 in Outside Diameter
- 3/4 in Finished Bore

US Tsubaki Inc.
60BS16HT 1 5/8
-
mac
60BS16HT 1 5/8 | Finished Bore Sprocket
Item #105089815
- Finished Bore Sprocket for 60 Single Strand Chain
- 16 Teeth
- 1 5/8" Bore
- w/ Hardened Teeth

Martin
40BS12 5/8
-
mac
40BS12 5/8 | No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100806932
- 40 Chain Number
- 1 Strand
- 12 Teeth
- 2.166 in Outside Diameter
- 0.625 in Finished Bore

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