BK60H Pulley single-groove 5.75" OD filter_40BS56-FB What separates this 45V1870E sheave

What separates this 45V1870E sheave from the others is that it is made using a high strength cast iron

For more information or to get pricing and availability on a 2BK57 Pulley with 1-1/8" bore

SSUCTPTB210-30 Bearing Dimensions

UCWFC202-10 Bearing Dimensions

Dimension (V): 1-13/32"

BK60H Pulley single-groove 5.75" OD filter_40BS56-FB What separates this 45V1870E sheaveThis BK60H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 5. 75" 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, and BB belts. What separates this BK60H 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