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160A12 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes
Sprocket Size: 40BS70
Sprocket Size: 140A18
Limiting Speed (Grease): 7800 RPM
40BS53 High-Performance Sprocket 1-1/8" 08B Hollow Pin Roller Chain 160A12 sprockets with a stockThis 40BS53 sprocket features a 1 1 8" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore
