Rcd p461-3503 Motor Pulley 3-3/4 in Od 5/8 in Shaft

Product Description

The RCD p461-3503 is a motor pulley designed for use in HVAC belt-drive systems. It regulates airflow and system pressure by transferring rotational force from the motor to the blower via a drive belt, allowing the driven component to operate at the correct speed. The pulley features a 3-3/4 inch outside diameter and accepts a 5/8 inch shaft. It is installed by HVAC technicians during routine maintenance or blower assembly service and serves as a direct OEM-style replacement to maintain original system performance and airflow balance.

This motor pulley is used in residential and light commercial HVAC air handler and packaged unit applications where belt-driven blower assemblies are employed. Confirmed compatible units include the 581CEV036060NA, 581CEV036072AA, and 581CEV036071AA, among others. It is suited for installations requiring a precise-fit motor pulley that matches original equipment dimensions and shaft tolerances to avoid belt misalignment or premature wear.

Key Features

• 3-3/4 inch outside diameter for correct belt engagement and speed ratio
• 5/8 inch shaft bore for direct fit to standard motor shafts used in belt-drive blower assemblies
• OEM-style replacement designed to match original equipment specifications
• Eliminates fitment risk associated with aftermarket or mismatched pulleys
• Compact profile: 4.55 x 4.55 x 4.15 inches packaged dimensions

Compatibility

Confirmed compatible with units including 581CEV036060NA, 581CEV036072AA, and 581CEV036071AA. Consult the full model fit list to verify compatibility with additional units before ordering.

Installation Notes

Installation should be performed by a qualified HVAC technician. Disconnect and lock out power to the air handler or packaged unit before accessing the blower compartment. Ensure the pulley is seated fully on the motor shaft and the set screw is tightened securely before tensioning the drive belt. After installation, verify belt alignment and tension per the equipment manufacturer specifications before restoring power.

Technical Specifications

• Outside Diameter: 3-3/4 inches
• Shaft Size: 5/8 inches
• Package Length: 4.55 inches
• Package Width: 4.55 inches
• Package Height: 4.15 inches

Standard Information

• Brand: RCD
• Manufacturer Part Number: p461-3503