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Product Description550J4 Dunlop Poly V Belt (1397J4)
A Poly V-belt is a multi-v belt that has longitudinal V-shaped ribs, coupling seamlessly with corresponding V-grooves in the sheaves. As the poly-v belt is a single unit, there is no matching problem and no separate belts to interfere with one another.
Ideal for small pulley/sheave compact designs which require limited vibration and for high speed ration drives with short centre distances.