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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MARTIN SPROCKET & GR
50B21 ROLLER CHAIN SPROCKET ; 5/8" P 21T 3/4" MIN PLAIN BORE
Roller Chain Sprocket; 50 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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