What sets this R8-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to
and precision 35 tooth sprocket that is manufactured to accept a R1 bushing
140R17H sprockets are bored to accept a R1 type taper bushing
41B54 Sprocket Dimensions
40SDS60 sprockets are manufactured to accept a SDS type QD bushing which
45V900E Sheave four-groove 9.00" OD 2AK124 Pulley What sets this R8-2RS bearingThis 45V900E Sheave uses an E bushing, is directly interchangeable with other manufacturers, is 9. 00" in diameter, and is manufactured in accordance with ARPM Standards for safe operation. With 5V series QD sheaves you can use standard 5V belts, 5VX belts, banded 5V belts, and banded 5XV belts. What separates this 45V900E sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the