Non Magnetic Bearings for MRI Equipment

Bearings for Medical Applications & Devices

A plastic race radial ball bearing fitted with borosilicate glass balls is the only type of ball bearing used in MRI patient tables . Its nonmetallic nature is required because the imaging area must remain nonmagnetic, or metal free. 

Critical Design Features: POM, PBT, or UHMW-PE plastic races and cage fitted with borosilicate balls for total nonmetallic construction. True Race Technology™ ball grooves reduce friction and improve performance. UHMW-PE  or Polyurethane can be used as the outer race wheel to reduce noise and be non marking when the bearing wheel runs on a hard track surface.

Additional reasons for use:

  • No lube required: The ability to run without lubrication is a benefit when cleanliness is a priority.
  • Integration & assemblies: KMS can design a custom housing to provide a complete assembly. Spherical profiles can be designed on the outer race of the bearing to create an “all in one” bearing wheel.

 non magnetic bearings for mri equipment

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Plastic Vs Steel

Corrosion Resistant: KMS plastic ball bearings can be utilized in environments destructive to conventional bearings. Plastic, by its nature, does not corrode. Our bearings can operate in hostile environments such as sea water, silicon wafer processing, plating solutions and swimming pools.


Read all the benefits of Plastic vs Steel Bearings