The Gates BX81 Tri-Power® V-Belt is engineered for superior performance in heavy-duty power transmission applications, particularly where small diameter pulleys and back idlers are utilized.
Key Features
- Enhanced Flexibility: Molded notches increase the belt’s flexibility, making it well-suited for drives with smaller diameter sheaves.
- Durable Construction: Flex-bonded cords are strongly bonded to the belt body, ensuring equal load distribution and absorption of bending stress without cord deterioration.
- Optimized Performance: The machined belt edge ensures even contact with pulley grooves, resulting in smoother operation with reduced slip and wear.
- Temperature Resilience: Constructed with a patented ethylene EPDM compound, the belt operates effectively within a temperature range of -58°F to +248°F (-50°C to +120°C).
- Compliance Standards: Meets ARPM/RMA oil and heat resistance standards, as well as static conductivity requirements.
Specifications
- Section: BX
- Top Width: 21/32 inches (17 mm)
- Outside Length: 84 inches (2134 mm)
- Thickness: 13/32 inches (10 mm)
- Material: Ethylene Elastomer (EPDM)
- Cord Material: Polyester
- Color: Black
- Number of Strands: 1
- Minimum Pulley Diameter: 4.775 inches
The Gates BX81 Tri-Power® V-Belt is an ideal choice for industrial applications requiring reliable and efficient power transmission, especially in environments with small or sub-minimal sheave diameters.



















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