Bearings for Rotary Spa Jets

pool cleaner bearingsPlastic radial ball bearings are used underwater in rotary spa jets to enable the jets to spin freely with minimal water pressure. They operate in a hostile environment with the challenges of hot water, chlorination, suspended dirt, sand, body lotion, hair etc.

Critical Design features: POM, PBT, or PP plastic races and cage fitted with 316 stainless balls. Bearing construction features True Race Technology™ ball grooves and anti-clogging bearing designs.

rotary spa jet bearingAdditional reasons for use:

  • Low friction: Spinning water jets need to be able to rotate with standard water pressure to deliver a pulsating water massage.
  • A KMS bearing is designed to tolerate suspended particles without clogging.
  • Part integration: A KMS bearing can be designed and manufactured as an integrated assembly that can reduce parts count and assembly time while improving performance.

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Plastic Vs Steel

Product Integration: A plastic bearing can be mounted into other components or parts such as plastic wheels, pulleys or housings. In certain design concepts, seamless integration can be achieved where the bearing will have the pulley profile as the outer ring, and the shaft or a fixing clip replaces the inner ring . This integration lowers assembly time and also results in utilization of fewer parts, increasing affordability.


Read all the benefits of Plastic vs Steel Bearings