we offer 16B-4 chain sprockets and chain tools
120R54 Sprocket Dimensions
120R18 sprockets are bored to accept a R1 type taper bushing
First you identify the chain pitch to confirm that you are using this on a #140 roller chain
100R35 sprockets are made to accept a R1 size taper bushing which we also stock with a wide range of bore sizes
1615 Taper Lock Bushing X 42mm Bore 18-Tooth Sprocket we offer 16B-4 chain sprocketsThis 1615 taper lock bushing is a high quality, durable, and dependable product that has been precisely manufactured to out last and out perform the competition. 1615 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 42 millimeter bore with a standard keyway, for more