Super precision roller bearings - features and applications

The high rigidity of NSK super precision single row and double row roller bearings makes them perfect for machine tool spindles.

Both double and single row are available with tapered or cylindrical bores.

Double row versions are made with PPS Resin or Brass cages.

Single row versions are made with PEEK resin or Brass cages .

Double row type with the suffix “E44” have a machined lubrication groove and hole.

Nsk cylindrical roller bearings can be supplied to operate to “P2” and“P4” tolerances.

Type of bearings available include the “NNU” type, which features double ribbed outer rings

Applications include:

Machine tool spindles, injection molding machines