Jason Industrial A51 Rubber V-belt 1/2 X 53 Inches

Product Description

The JASON INDUSTRIAL A51 is a classic A-section rubber V-belt rated at 1/2 inch wide by 53 inches in outside circumference, designed for industrial and commercial drive applications. This black rubber belt transmits rotational power between sheaves and pulleys in belt-driven equipment across HVAC, manufacturing, agricultural, and general industrial environments. The A51 profile follows standard A-section geometry, making it a direct-fit replacement in any drive system designed to the A51 belt standard. Installation is handled by maintenance technicians, HVAC mechanics, and industrial service professionals as part of routine preventive maintenance or emergency drive repair.

The A51 V-belt is used in belt-driven blower assemblies, fan drives, compressor drives, pump drives, and light-duty power transmission systems that call for a standard A-section belt. It fits residential and light commercial air handling units, industrial fans, and a broad range of motor-driven equipment where an A-section drive belt is specified. The 53-inch length and 1/2-inch top width suit typical single-sheave or multi-sheave drive configurations found across these applications.

Key Features

• Standard A-section profile: 1/2 inch wide by 53 inches in outside circumference
• Black rubber construction provides flexibility and resistance to wear under continuous drive loads
• Classic V-belt geometry ensures positive sheave engagement and minimal slippage
• Sold in a package quantity of 50 belts per unit of measure, suitable for stocking and fleet maintenance programs
• Compatible with any drive system designed to accept a standard A51 V-belt

Compatibility

Designed as a direct OEM-style replacement for any drive system specifying a standard A-section V-belt with an outside circumference of 53 inches. Fits sheaves and pulleys machined to A-section groove dimensions per industry standards.

Installation Notes

Power down and lock out the equipment before removing or installing any drive belt. Loosen the motor mount or tensioning hardware to relieve belt tension before removal, and verify the new belt is properly seated in the sheave groove before re-tensioning. Do not use tools to pry the belt over the sheave flange, as this can damage the belt cords. Inspect sheaves for wear, misalignment, and debris before installing a replacement belt.

Technical Specifications

• Belt Section: A (Classic V-Belt)
• Top Width: 1/2 inch
• Outside Circumference: 53 inches
• Material: Rubber
• Color: Black
• Package Quantity: 50 per unit of measure
• Weight: 32 pounds

Standard Information

• Brand: JASON INDUSTRIAL
• Manufacturer Part Number: A51