Browning AK54X1 Sheave R-407C Its robust construction resists corrosion

Its robust construction resists corrosion and maintains a tight seal

Ambient Compensation: The P29NC-49 is engineered to maintain consistent timing performance across varying ambient temperatures at the control location

Standardized Fit: 4L cross-section with a 30" outside length and 29" pitch length ensures multi-brand compatibility

including fan speed regulation

Browning AK54X1 Sheave R-407C Its robust construction resists corrosionThe Browning AK54X1 Sheave is a precision machined 5. 25" OD single groove pulley engineered for reliable power transmission in light duty HVAC and industrial blower applications. Constructed from high grade ASTM A48 Class 30 cast iron, this fixed bore sheave features a 1" bore size, providing a stable, vibration resistant fit on standard motor shafts. Designed for versatility, the AK54X1 is compatible with 3L, 4L, and A section belts, making it a