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SKF OK Couplings

Slash connection times for shafts and flanges

SKF OK Coupling
Mounting and dismounting shaft couplings can be time-consuming operations that take hours or even days to complete. SKF OK Couplings can significantly reduce the time required to connect rotating shafts and flanges in heavy equipment such as large gearboxes.

An SKF OK Coupling does not require a keyway in the shaft or hub to transfer the torques. This is a major savings and helps avoid shaft stress raisers. They incorporate a thin tapered inner sleeve, designed to fit over the shaft, and a thick outer sleeve, with a taper matching that on the inner sleeve. Oil is injected at high pressure between the mating surfaces and the outer sleeve is driven up the inner sleeve with an integral hydraulic jack. Once correctly positioned, oil pressure is released and the resulting powerful interference fit enables high torques to be transmitted.
  • Easy, safe and quick to install
  • Keyless
  • Increased equipment performance
  • Extended service life
  • Reduced maintenance costs
  • Reduced Mean Time to Repair (MTTR)
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