Description
The Browning BK45X7/8 Sheave is a versatile finished bore cast iron pulley designed for use with 4L, 5L, A, and B series belts. With a 4.25″ outside diameter and 7/8″ finished bore, this single groove BK series sheave offers reliable torque transfer and smooth operation in industrial drive systems such as motors, compressors, and fans. Available at multiple price points from trusted suppliers, it’s an excellent value for maintenance, repair, or replacement needs.
Key Features:
- Finished 7/8″ bore — mounts easily on standard shafts
- Cast iron construction for rugged industrial durability
- Compatible with multiple belt section types
- Ideal for HVAC, blower drives, and machinery applications







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