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Description
An AX49 is an industry-standard A-section raw-edge cogged V-belt used for heavy-duty power transmission. The "AX" signifies its cross-section profile, while "49" represents its nominal inside length in inches. It is manufactured by major industrial brands like Gates, Dayco, Bando, and Continental.
Key Specifications
- Industry Belt Number: AX49
- Inside Circumference: 49 inches (1,245 mm)
- Outside Circumference: 51 inches (1,295 mm)
- Top Width: 1/2 inch (13 mm)
- Thickness: 5/16 inch (8 mm)
- Material: EPDM rubber compound reinforced with high-strength polyester tensile cords
Design & Performance
- Molded Notch (Cogged) Design: The raw-edge notched design provides superior flexibility, allowing the belt to bend easily around smaller diameter pulleys while reducing bending stress and heat buildup.
- Energy Efficient: Runs cooler and transfers power more efficiently than standard wrapped V-belts, reducing power loss by up to 3%.
- Environmental Resistance: Constructed from EPDM rubber to deliver excellent resistance to oil, heat, hardening, and ozone aging.
- Static Dissipative: Meets industry standards for static conductivity, making it safer for use in volatile environments.
Common Applications
- HVAC Systems: Commercial air handling units, ventilation fans, and exhaust blowers.
- Industrial Machinery: Air compressors, water pumps, machine tool lathes, and milling machines.
- Outdoor Power Equipment: Commercial lawn mowers, wood chippers, and heavy-duty generators.










