Dimensionally equivalent to, and interchangeable with, the SR range, SSR incorporates THK's new Caged Ball (TM) technology. The SSR's balls roll in four rows of a precisely ground raceway on an LM rail and an LM block. The end plate attached to the ball cage and LM block causes the trains of balls to circulate. The lack of friction between the balls, due to the Caged Ball(TM) structure, reduces bearing stress and relative contact velocity, therefore limiting heat generation. Superior performance is maintained at high and normal speeds. The lack of ball-to-ball friction also eliminates metallic noise during operation, and the circulation of lines of evenly spaced balls eliminates rolling resistance.
Click on a picture for drawings and dimension tables.
Alternatively, click here for THK's complete SSR catalogue in PDF format
(requires Adobe Acrobat Reader, click here to download)
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