ball bushing block-bearing / in plastic
21518 norelem - Éléments standard mécaniques



  • Rolling element:

    ball bushing

  • Material:

    in plastic

  • Length:

    Min.: 32 mm

    Max.: 68 mm

  • Inside diameter:

    Min.: 12 mm

    Max.: 30 mm


Linear ball bearings with flange

Housing steel.
Cage plastic.
Balls steel.

The linear ball bearings correspond to series 3 of ISO 10285. With double-sided seal. The linear ball bearings have a plastic cage which results in quiet and outstanding running properties. With flange for direct mounting on the housing.

Recommended tolerances:
Shaft: h6
Housing: H7

Linear ball bearings with double-sided seal should be greased before installation.

The specified load ratings apply with the use of hardened and ground shafts.

Precision guide shafts 21595.
Fastening screws 07160.