Worldwide Leading Designer and Manufacturer for Precision Ball Bearings

The Highest Precision for Advanced Technologies

GRW is a global technology leader and premier provider of customized, high-precision bearing solutions for:

  • Medical
  • Dental
  • Industrial
  • Aerospace

We produce super-precision ball bearings, bearing units and specialty bearing units using state of the art production techniques.

Our customers value our broad application expertise and technical cooperation, especially during the design phase. Based on short development times, they receive solutions that are economically attractive precisely fitted to technical requirements.

Exploded view of GRW bearing

Bearings to Fit Wide-Ranging Applications

Our standard product range includes:

  • Radial deep groove ball bearings
  • Spindle ball bearings
  • Duplex ball bearings

Our bearings come in many varieties, with bores from 1 mm to 35 mm and outer diameters from 3 mm to 47 mm in metric and inch dimensions.

For any application, from individual system solutions to standard applications with high volume, GRW offers customers:

  • Competent consulting
  • Excellent engineering services
  • The shortest lead times to implementation

What’s New at


30 July 2019

Kaman Announces Intent to Expand Its GRW Precision Bearings Operations

BLOOMFIELD, Conn. — Kaman Corp. (NYSE:KAMN) announced today that it has secured land in Würzburg, Germany on which it will build a new facility to support the expansion of Gebr. Reinfurt […]

Contact GRW

Kaman builds to print and custom engineers thousands of precision parts. Contact us.

    Niederhoferstraße 105
    97222 Rimpar (Germany)

    Mailing Address:
    Niederhoferstraße 105
    97222 Rimpar (Germany)

    +49 9365 819 0
    +49 9365 819 100