Multi v Belt 4pk850 Multi poly groove belts
 Multi poly groove belts
Multi v Belt 4pk850 Ram
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Multi v Belt 4pk850 Multi poly groove belts

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Multi Groove V Belts 

Multi V Belt

4pk850

Multi Groove belts 4pk

The  multi-groove, V-Ribbed, or poly groove belt is made up of usually between 3 and 24 "V" shaped sections alongside each other. This gives a thinner belt for the same drive surface, thus it is more flexible, although often wider. The added flexibility offers an improved efficiency, as less energy is wasted in the internal friction of continually bending the belt. In practice this gain of efficiency causes a reduced heating effect on the belt, and a cooler-running belt lasts longer in service. Belts are commercially available in several sizes, with usually a 'P' (sometimes omitted) and a single letter identifying the pitch between grooves. The 'PK' section with a pitch of 3.56 mm is commonly used for automotive applications.

Multi v belt 4pk850

A further advantage of the polygroove belt that makes them popular is that they can run over pulleys on the ungrooved back of the belt. Though this is sometimes done with V-belts with a single idler pulley for tensioning, a polygroove belt may be wrapped around a pulley on its back tightly enough to change its direction, or even to provide a light driving force.

If you are unsure please visit our part number catalog in the index.

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