MARTIN SPROCKET & GR
40BTB25 ROLLER CHAIN SPROCKET ; 1/2" 25T BORE FOR 1610 BUSHING
Roller Chain Sprocket; 40 Chain; 25 Teeth; 1 Row of Teeth; No Hardened Teeth; 4.258" Outside Diameter; 3.989" 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
40BS25 3/4 ROLLER CHAIN SPROCKET ; 1/2" P 25T 3/4" BORE
Roller Chain Sprocket; 3/4" Bore; 40 Chain; 25 Teeth; 1 Row of Teeth; No Hardened Teeth; 4.258" Outside Diameter; 3.989" 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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