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Optibelt VARIO POWER is the preferred choice for demanding 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.



The base compound consists of a polychloroprene rubber compound with fibers inlaid transversely to the running direction. The high-quality and extremely low-stretch polyester or aramid tension cord is embedded in a cushion compound. It is reinforced with a fabric outer surface, and the transverse fibers incorporated provide transverse rigidity without sacrificing flexibility.

Optibelt VARIO POWER variable speed belts are the preferred choice for infinitely variable speed control. The special belt structure allows high dynamic loads, superior power transmission capability, and good control characteristics.

Also available as a double-sided belt.

Profiles Lengths
Width from 10 to ~ 85 mm
Height from 5 to ~ 30 mm
Inside length from 550 to ~ 3500 mm
Angels from 22° to 42°
can be manufactured on request – further dimensions on reques
V-GROOVED PULLEYS for cylindrical bore or for optibelt TB taper bushings, variator pulleys on request
  • Electrically conductive
  • Polyester or aramid cord
  • Electrically conductive
  • Long life
  • High transverse strength
  • Quiet running
  • Allows drive ratios up to 1:12
  • High flexibility
  • Temperature range -30°C to +90°C