50BB13H 13-Tooth 5/8" Bore Ball Bearing Sprocket #50 Chain filter_50BS14-FB 35B17 sprockets with a stock

35B17 sprockets with a stock bore comes with the standard 1/2" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

and precision A-Plate sprocket with 28 teeth that is manufactured out of high-quality steel

4C180E Sheave Dimensions

UCST208-25 Take-Up Bearing Dimensions

For more information on a single groove 13V450SH sheave

50BB13H 13-Tooth 5/8" Bore Ball Bearing Sprocket #50 Chain filter_50BS14-FB 35B17 sprockets with a stock50BB13H idler sprocket is categorized as a ball bearing idler sprocket due to the ball bearing inserted into the sprocket. This 50BB13H idler sprocket features 13 hardened teeth, a high quality ball bearing with a 5 8" Bore, and fully meets all ANSI Standards. Additionally this 50BB13H idler sprocket was engineered to be extremely durable and high performance, along with being manufactured out of a high quality steel and components to create an idler