Description:
Material:
Housing, steel.
Plastic cage.
Balls, steel.
Sample order:
nlm 21520-1202
Note:
The linear ball bearings correspond to series 3 of ISO 10285. With double-sided seal. The linear ball bearings are equipped with a plastic cage. This makes for an quiet run and outstanding run quality. With flange for direct mounting on the housing. Version as double bearing for insertion under torque load.

Recommended tolerances:
Shaft: h6
Housing: H7

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

The specified basic load ratings apply upon insertion of hardened and ground shafts.
Temperature range:
-20 °C up to +80 °C.
Accessory:
Precision guide shafts 21595.
Fastening screws 07160.