MARTIN SPROCKET & GR
40BS21 3/4 ROLLER CHAIN SPROCKET ; 1/2" P 21T 3/4" BORE
Roller Chain Sprocket; 3/4" Bore; 40 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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MARTIN SPROCKET & GR
40BTB21H ROLLER CHAIN SPROCKET ; 1/2" 21T HT BORE FOR 1610 BUSHING
Roller Chain Sprocket; 40 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Bushed Mount; 1610 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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MARTIN SPROCKET & GR
60BTB21 ROLLER CHAIN SPROCKET ; 3/4" P 21T BORE FOR 2012 BUSHING
Roller Chain Sprocket; 60 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 5.426" Outside Diameter; 5.033" Pitch Diameter; B-Hub One Side; Bushed Mount; 2012 Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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MARTIN SPROCKET & GR
50BTB21H ROLLER CHAIN SPROCKET ; 5/8" P 21T HT BORE FOR 1610 BUSHING
Roller Chain Sprocket; 50 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; B-Hub One Side; Bushed Mount; 1610 Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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MARTIN SPROCKET & GR
50BS21 1 ROLLER CHAIN SPROCKET ; 5/8" P 21T 1" BORE
Roller Chain Sprocket; 1" Bore; 50 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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