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Product description
Schaeffler rolling bearings and plain bearings: Belt tension pulleys

Idler pulley units are tensioning systems for belt drives and idler units. They

  • increase the wrap angle in belt drives and can therefore support higher power levels or allow smaller units to be used
  • Compensate for belt stretch resulting from operation
  • Allow shorter center distances
  • Reduce the wear on the belt drive

The ready-to-fit units comprise deep drawn, profiled sheet steel pulley halves riveted together and deep groove ball bearings. Pulleys of larger diameters are additionally welded together. A lead chamfer on the pulley profile prevents damage to the belt. Due to the sheet steel construction, the additional rotating masses and the out-of-balance masses generated are low.

Type A is suitable for V-belts, type B for flat, V and round belts, type D for round belts, steel cables and hemp ropes.

To the medias product catalog

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