BK45H Pulley single-groove 4.25" OD UCFBS200 3-Bolt Set Screw Flange Bracket Bearings Something that is notable about

Something that is notable about this 10B18 sprocket is that it fully meets all ISO Standards

Size: 4TB54

Dimension (B): 61

Our UC202-10 insert bearing has several features: a wide inner-ring

What sets our SSUCTPTB209-28 bearing apart from others is the integrity of a specially formulated polymer housing that exserts strength and durability

BK45H Pulley single-groove 4.25" OD UCFBS200 3-Bolt Set Screw Flange Bracket Bearings Something that is notable aboutThis BK45H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 3. 15" 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 BK45H 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