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GRW Profile

IBSCO carries GRW Bearings, including:

  • Radial deep groove ball bearings

  • Angular ball bearings

  • Duplex ball bearings

  • Spindle ball bearings

Known as a premier manufacturer of custom, high precision miniature ball bearings, GRW specializes in ball bearings for extreme operating conditions – extreme anti-friction, temperature extremes, high speed and corrosive environments. GRW’s ball bearings are manufactured to meet industry standards, including ABEC-5, ABEC-7 ABEC-9 and ISO DIN 620.


GRW was founded in 1942 by Eugene and Hugo Reinfurt. Acquired by NIBC Capital Partners in 2008, the company remains based in Germany.


IBSCO’s application specialists have in-depth knowledge of GRW Bearings and work closely with each customer to select the best bearing to meet your high precision, miniature and instrument ball bearing application. Our specialists are supported by our turnkey services including clean room manufacturing, material traceability and documentation, lubrication services, packaging and inventory management. Our manufacturing processes are certified to AS9100/AS9120/ISO 9001 and meet the highest industry standards for aerospace, military, medical, dental and precision industrial applications. We understand that the performance of your products is dependent on the quality of the components used and are committed to providing the best selection and superior products.


IBSCO is dedicated to total customer satisfaction and holds itself to the highest quality standards. For the past 30 years, we have provided superior solutions for industrial applications. Call today to see how we can exceed your expectations.

Call 800.231.6480 or email

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