2BK57H Pulley double-groove 5.45" OD 2AK56 Pulley This 6217 ball bearing is

This 6217 ball bearing is a high-precision premium quality deep groove 85x150x28 ball bearing made to ABEC 3 precision standards from AXIS

UCFX09-27 Bearing Dimensions

Part #: UCHA215-48

100BS16 1 15/16" Finished Bore Sprocket Dimensions

Bushing Number: 1615

2BK57H Pulley double-groove 5.45" OD 2AK56 Pulley This 6217 ball bearing isThis two groove 2BK57H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 5. 45" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, BB, and banded belts. What separates this 2BK57H pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory.