40JA17 Sprocket (QD Type) 2BK80 Pulley UCFB209-27 flange bearings are designed

UCFB209-27 flange bearings are designed with a metric-based housing

UCHA201-8 Hanger Bearing Dimensions

Variable Pitch 1VP68 Pulley 1-1/4" is designed and engineered in a way that allows for precise adjustments in diameter

06B21H sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

UCFBS209-26 bearing is a 1-5/8" bore three-bolt normal-duty flange bracket bearing that utilizes set screws to secure to a 1-5/8" shaft

40JA17 Sprocket (QD Type) 2BK80 Pulley UCFB209-27 flange bearings are designedThis 40JA17 sprocket is a durable, high quality, and precision sprocket with hardened teeth that is manufactured to accept a JA bushing. Sprockets that have hardened teeth last longer, perform better, 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 #40 roller chain and sprocket to prevent premature wear or breakage.