The B77 (5L800) Standard V-Belt is a classical wrapped B/5L-section power transmission belt designed for reliable performance in industrial, agricultural, commercial, HVAC, and outdoor power equipment. With a 21/32-inch top width and 80-inch outside circumference, it delivers efficient power transfer, excellent flexibility, and dependable operation under continuous-duty conditions. The belt features a durable rubber body reinforced with high-strength polyester tensile cords for resistance to heat, oil, abrasion, and stretching, helping extend service life and reduce maintenance. It is commonly used on compressors, fans, pumps, blowers, conveyors, and general industrial machinery.
Specifications
Belt Designation: B77 / 5L800
Belt Type: Classical Wrapped Standard V-Belt
Belt Section: B / 5L
Top Width: 21/32 in (0.656 in / 16.7 mm)
Belt Height: 13/32 in (0.406 in / 10.3 mm)
Outside Circumference: 80 in (2032 mm)
Inside Circumference: 77 in (1956 mm)
Construction: Wrapped rubber
Tensile Member: Polyester cords
Color: Black
Belt Surface: Smooth wrapped
Number of Bands: Single
Oil Resistant: Yes
Heat Resistant: Yes
Static Conductive: Yes (RMA/ARPM compliant on many manufacturers' versions)
Typical Horsepower Range: Approximately 1–25 HP (varies by drive design)
Minimum Sheave Diameter: Approximately 5.4 in
Operating Applications: Compressors, HVAC blowers, pumps, fans, conveyors, agricultural equipment, lawn and garden machinery
The B77 (5L800) Standard V-Belt is a classical wrapped B/5L-section power transmission belt designed for reliable performance in industrial, agricultural, commercial, HVAC, and outdoor power equipment. With a 21/32-inch top width and 80-inch outside circumference, it delivers efficient power transfer, excellent flexibility, and dependable operation under continuous-duty conditions. The belt features a durable rubber body reinforced with high-strength polyester tensile cords for resistance to heat, oil, abrasion, and stretching, helping extend service life and reduce maintenance. It is commonly used on compressors, fans, pumps, blowers, conveyors, and general industrial machinery.
Specifications
Belt Designation: B77 / 5L800
Belt Type: Classical Wrapped Standard V-Belt
Belt Section: B / 5L
Top Width: 21/32 in (0.656 in / 16.7 mm)
Belt Height: 13/32 in (0.406 in / 10.3 mm)
Outside Circumference: 80 in (2032 mm)
Inside Circumference: 77 in (1956 mm)
Construction: Wrapped rubber
Tensile Member: Polyester cords
Color: Black
Belt Surface: Smooth wrapped
Number of Bands: Single
Oil Resistant: Yes
Heat Resistant: Yes
Static Conductive: Yes (RMA/ARPM compliant on many manufacturers' versions)
Typical Horsepower Range: Approximately 1–25 HP (varies by drive design)
Minimum Sheave Diameter: Approximately 5.4 in
Operating Applications: Compressors, HVAC blowers, pumps, fans, conveyors, agricultural equipment, lawn and garden machinery
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