Dial A55 / 4L570 V-Belt - 1/2 in. x 57 in. Outside Length

Dial A55 / 4L570 replacement V-belt with a nominal 57-inch outside circumference and 1/2-inch top width for compatible belt-driven equipment.

Specifications

• Belt size: A55 / 4L570
• Nominal outside circumference: 57 inches
• Nominal A-series inside circumference: 55 inches
• Top width: 1/2 inch
• Nominal thickness: 5/16 inch
• Single V-belt for fractional-horsepower drive applications

Applications & Fit

For fans, blowers, air handlers and other compatible belt drives used in commercial and industrial equipment maintenance. Also used in evaporative cooler blower drives that specify this belt size. Match the equipment’s required belt section, length and duty rating before ordering.

The 4L570 designation uses outside circumference in tenths of an inch. A55 identifies the nominal A-series inside length. Compare the same measurement basis when selecting a replacement.

Replacement References

• Existing replacement reference: part # P301057A