BCFURNACE
120-646
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Sheave/Pulley, Variable, Single Groove, 5/8" Bore
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours

Sheave/Pulley, Variable, Single Groove, 5/8" Bore Blower Belts, Shaft, Pulley, Bearing
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
This premium variable-speed single-groove sheave is a critical component for optimizing HVAC blower motor performance. Featuring a precision-engineered 5/8-inch bore, this adjustable pulley allows for fine-tuning the rotational speed of blower wheels and fans in air handling units. By modifying the pitch diameter, it enables precise airflow control and maintains optimal belt tension within belt-drive systems. Built for durability and balanced rotation, this sheave is an essential replacement part for residential furnaces and commercial cooling systems experiencing reduced airflow, belt slippage, or mechanical vibration.
Compatible parts and related replacements
Looking for more Blower Components?