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Schaeffler rolling bearings and plain bearings: Spindle bearings

Spindle bearings are single-row angular contact ball bearings comprising solid inner and outer rings and ball and cage assemblies with solid window cages. They cannot be dismantled. The bearings are available in open and sealed designs.

Spindle bearings have restricted tolerances. They are particularly suitable for bearing arrangements with very high requirements for guidance accuracy and suitability for high speeds. They have proven ideal for spindle bearing arrangements in machine tools.

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Schaeffler rolling bearings and plain bearings: M-series High-Speed spindle bearings

M-series High-Speed spindle bearings

With its “M series”, Schaeffler presents a new, technically and economically sophisticated concept for increasing the productivity of machine tools.

Three X-life High-Speed spindle bearing versions offer great potential for increasing the load carrying capacity of motor spindles even further with regard to maximum speed, high machining forces, and high temperatures.

  • M version – Cost-effective and robust
  • HCM version – For outstanding productivity
  • VCM version – New degrees of freedom in design

Bearings of X-life quality have an improved raceway geometry and optimized surfaces. This provides a significant increase in the fatigue limit load of the bearings. When calculating the expanded adjusted service life, values up to 50% higher are achieved. In certain applications, this means that a smaller bearing arrangement can be designed.

Various sizes are supplied in the X-life grade. These bearings are indicated in the dimension tables.

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