40-Tooth Sprocket for #35 Chain with 5/8" Finished Bore, 35BS40 12mm Stock Bore This 6803 ball bearing is

This 6803 ball bearing is a high-precision premium quality deep groove 17x26x5 ball bearing made to ABEC 3 precision standards from AXIS

This 5205-ZZ Bearing is a high-precision premium shielded double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS

a solid roller (seamless) design

D200B14 Double Sprocket

40-Tooth Sprocket for #35 Chain with 5/8" Finished Bore, 35BS40 12mm Stock Bore This 6803 ball bearing isThis 35BS40 sprocket features a 5 8" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets ANSI Standards. This insures proper contact between the #35 roller chain and sprocket which prevents premature wear or breakage. Additionally it is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore sprockets,