Optimized Ignition Timing: Reaches operating temperature quickly to ensure consistent burner ignition and prevent unburned gas buildup

High-Heat Resilience: Class H insulation protects the internal copper windings during prolonged energized states in high-temperature fluid lines

5A maximum amperage

combined with the robust housing

The keyed shaft attachment is enhanced by an external key on the bushing

Browning 2BK52X 1 3/8 Sheave 320819-301 Optimized Ignition Timing: Reaches operatingThe Browning 2BK52X 1 3 8 is a heavy duty cast iron sheave engineered for high torque power transmission in commercial HVACR and industrial blower applications. This two groove BK sheave features a static balance to ensure vibration free performance at high RPMs, extending the service life of motor bearings and belts. Designed with a 4. 95 inch outside diameter and a 1 3 8 inch fixed bore, it provides precise alignment for dual belt drive systems.