Model Number: 022803 Brand Name: Heng Da Key Specifications/Special Features: High performance variable speed beltsVario power is the preferred choice for high performance infinite variable speed control drives. The unique belt structure is designed to handle highly dynamic loads and transfer more power than conventional variable-speed belts.Ordering information & part number examples:The belt number is a complete description of the belt.4430V97044 = Top width in 16ths of an inch: 44/16" = 2.75"
30 = Angle of sheave groove = 30°
V = Indicates "Variable Speed"
970= Pitch length in 10th's of an inch = 97"
Features performance: Quality engineered and construction to handle high power, high speed performance applications.
Extended life: Polyester cords with specialized abrasion-resistant bonded fabric cover for longer belt life. (aramid cord constructions available)
Temperature range: Increased ranges from -22 to 212°F.
Increased flex range: Capable of running on smaller sheaves than conventional variable speed belts. Construction

• Bonded and fluid resistant top fabric
• Corded top rubber layer
• High horsepower, low stretch fiberglass tension cord
• Corded core rubber layer
• Molded cogs with durable fabric to protect from the elements