MARTIN SPROCKET & GR
40A18 ROLLER CHAIN SPROCKET ; 1/2" P 18T 5/8" MIN PLAIN BORE A PLATE
Roller Chain Sprocket; 40 Chain; 18 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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