BK32 Pulley 7/8" Bore filter_40BS24-FB What sets this 5306-2RS bearing

What sets this 5306-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to

This 50BS20 sprocket featured a 1-3/8" finished bore with a key-way and two set screws

UCPX11-35 Bearing Dimensions

Dimension (L): 1-13/16"

BK32 Pulley 7/8" Bore filter_40BS24-FB What sets this 5306-2RS bearingThis BK32 Pulley 7 8" bore is directly interchangeable with other manufacturers, is 3. 35" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK32 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. Using the grade 35 cast iron offers a higher tensile