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What sets this R12-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to
This 2AK27 Pulley 7/8" bore is directly interchangeable with other manufacturers
For more information on a single groove 1TB160 pulley
the 5314-ZZ bearing features raceways that are precision honed to a superb finish
Dimension (Bi): 71
35BS20 Sprocket With 1/2" Finished Bore filter_H35BS112 What sets this R12-ZZ bearingThis 35BS20 sprocket features a 1 2" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that has hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #35 roller chain and sprocket which prevents premature
