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100R70 sprockets are made to accept a R1 size taper bushing which we also stock with a wide range of bore sizes
100E54 sprockets are made to accept a E size taper bushing which we also stock with a wide range of bore sizes
threaded rods
Sprocket Size: 120B20
R4A-2RS Ball Bearing | R4A-2RS Bearing - 1/4"x3/4"x0.2812" 1VP60 Pulley 100R70 sprockets are made toThis R4A 2RS ball bearing is a high precision premium quality sealed deep groove 1 4"x3 4"x0. 2812" ball bearing made to ABEC 3 precision standards from AXIS. What sets this R4A 2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to, the grade 10 balls used, and the superb electric motor quality rating (EMQ). ABEC 3 means that the bearing has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The
