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Dave Walden

Simplicity Linear Bearings: Inch, ISO, and JIS Metric

October 25, 2011 - Rockford, IL  -  Posted by Dave Walden

Simplicity® Linear Bearings  -  Inch, ISO, and JIS Metric

Often we hear this question in regard to the Simplicity family of linear plain bearings; “Why are there different colors?  Why are there red, blue, and green bearings?”

Linear Bearing

The 3 Families of Simplicity® Linear Bearings

  • Inch Series  -  Red

-  Designed to interchange with industry standard inch series linear bearings.

-  Sizes for shafting ranging from 3/16” up to 4”.


  • ISO Metric Series  -  Blue

-  Designed to interchange with European ISO metric standard linear bearings.

-  Sizes for shafting ranging from 5mm to 80mm.


  • JIS Metric Series  -  Green

-  Designed to interchange with Asian JIS metric standard linear bearings.

-  Sizes for shafting ranging from 6mm to 150mm.

All of the Simplicity linear bearings come standard with the FrelonGOLD® self-lubricating liner and do NOT require external lubrication.  Follow this link to learn more about applying any of the Simplicity Bearing Family .



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