Description
Dial A53 / 4L550 replacement V-belt with a nominal 55-inch outside circumference and 1/2-inch top width for compatible belt-driven equipment.
Specifications
- Belt size: A53 / 4L550
- Nominal outside circumference: 55 inches
- Nominal A-series inside circumference: 53 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 4L550 designation uses outside circumference in tenths of an inch. A53 identifies the nominal A-series inside length. Compare the same measurement basis when selecting a replacement.