Plastic Radial Ball Bearings

A standard KMS Plastic Ball Bearing features Celcon® Acetal (POM) for races and ball retainer. When Acetal material is not compatible for your application, we offer PVDF (Kynar®, Solef®) and PEEK as alternative standard materials. To modify a standard bearing go to Semi-Custom Bearings to find a solution that fits your requirement.

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Plastic Vs Steel

Cleanliness/Hygienic: Plastic bearings generally operate cleaner than metal bearings because they do not need lubrication, they are resistant to corrosion, and they can be washed down without the worry of re-lubing. This capability makes them a viable option for clean room environments, and wash down applications. A plastic bearing made from either PBT, PVDF or PEEK can be post sterilized by standard methods such as autoclave or Gamma.


Read all the benefits of Plastic vs Steel Bearings