40B44 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
Our superior UCST213-40 bearing with a 2-1/2" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid cast-iron housing
6315-ZZ ball bearings are found in a wide range of industrial and automation applications
the 6322 bearing features raceways that are precision honed to a superb finish
this link utilizes precision components that have been heat-treated and shot-peened for fatigue resistance and features solid rollers and bushings
40B43 Sprocket With Stock Bore UEFT200 2-Bolt Tru-Loc Flange Bearings 40B44 sprockets with a stockThis 40B43 sprocket is a durable, premium quality, and precision sprocket that is manufactured out of high quality steel. This sprocket is manufactured for optimum performance, durability, and to strict quality control standards. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket which prevents premature wear or breakage. It is also black