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4430V690 Bando Variable Speed Belt

4430V690 Power Max Variable Speed belts are wide in proportion to their thickness, therefore they must have extreme crosswise rigidity to keep them from dishing in. The dishing would cause misalignment of tensile cords, leading to irregular speed control and extreme wear on the cords, causing premature failure.

• These Power Max belts provide lengthwise flexibility to bend around small sheave diameters without excess strain that would shorten belt life.

• Meets ARPM standards for oil and heat resistance and static conductivity.

• Transversely aligned fiber reinforcement in the belt cogs assures crosswise rigidity and flexibility to reduce heat build-up and minimize cracking.

• Tough polyester cords won’t fatigue, even with repeated shock loads. Cords are specially treated to resist stretch and carry high horsepower loads.

MPN:4430V690