08B19H 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
120C54 Sprocket Dimensions
100A42 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes
120R45 sprockets are made to accept a R2 size taper bushing which we also stock with a wide range of bore sizes
Pin Length (L): 38
1210 Taper Lock Bushing X 5/8" Bore Sprocket Bore 08B19H sprockets with a stockThis 1210 taper lock bushing is a high quality, durable, and dependable product that has been precisely manufactured to out last and out perform the competition. 1210 taper lock bushings are used in a wide range of applications including; belt pulleys, sprockets, drum pulleys, drive pulleys, tail pulleys, sheaves, and gears, which are items that we also offer! Additionally this bushing features a 5 8" bore with a standard keyway, for more information