GN 509.3


  • Type A: Clamp spring washer
  • Type B: Retaining ring

Type A

Spring steel

Stainless Steel

Type B

Spring steel

zinc plated

Clamp spring washers GN 509.3, type A allow ball transfers units to be mounted and removed from the installation side.

Retaining rings GN 509.3, type B are mounted from the back. Ball transfers units mounted this way can no longer be dismantled. No restrictions exist with respect to sheet metal thickness.


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