GRW BEARING MATERIALS
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WIDE MATERIAL RANGE TO MEET HIGH STANDARDS FOR PRECISION BEARINGS Perfect performance demands material of the highest quality. The correct selection of raw materials, parts and components enables us to provide our customers with consistently high quality products. Our ball bearings are made of chrome steel (100Cr6), stainless steel (X65Cr13 or X105CrMo17), or high Nitrogen corrosion resistant steel (X30CrMoN15-1). Similar load ratings are achieved for all these steel types following ISO and ABMA standards. It has always been our policy to choose the most advanced material available – for...

CHROME STEEL Carbon Chrome (100Cr6/52100) Developed in 1901, 100Cr6 is a basic through hardened chrome steel with a good cost use factor. It is widely used in the industry for components exposed to extreme wear and speed in mechanical engineering or the automotive industry. At GRW we use a 100Cr6 with high purity which guaranties a top-quality bearing. This steel is identical to the steel known as 52100. GRW harden the ball bearing steel at roughly 860°C/1580°F and temper it at 160°C/320°F. The particular strengths of this material are its high resistance to static loads and its high...

High Nitrogen Stainless Steel (X30CrMoN15-1) The GRW bearing steel “SV” is a highly nitrogen infused, martensitic alloy that is widely used in aerospace applications , as well as for medical applications. The superior features of high corrosion resistance as well as wear resistance are achieved by partial substitution of carbon with nitrogen. Its low carbon content provides additionally excellent behavior for mixed friction. GRW SV/SP Material - Our premium ring material for your high-tech application. The particular strengths of this material are its good resistance to static loads and...

Chrome Steel STATIC LOAD CAPACITY Chrome Steel condition of bearing in percent (ball dents/ bearing noise) GRW BEARING MATERIALS OFFER CLASS LEADING HIGH TEMPERATURE STRENGTH AND CORROSION RESISTANCE 0% 40% 50% 60% 70% 80% 90% 100% static load capacity [%] (load carrying capacity of bearing steels in direct comparison, no reference to bearing size) Chrome Steel TEST RESULTS FOR CORROSION RESISTANCE Chrome Steel damage on bearing rings in percent (corrosive attack) max. temperature for bearing steel [°F] max. temperature for bearing steel [°C] endured time in salt spray test [h; log] (salt...

CHROME STEEL Dental application Surgical equipment Aviation and Aerospace Industry Space application Model jet Chemical industry Flow meter Hostile environment Mechanical engineering Spindle bearing Turbo charger Vacuum application Turbo molecular pump Electric motor = Common steel for this basic application 1) Only for applications without direct contact to any organisms Please note that this matrix only gives examples of cases in which the respective steels are currently usually used. There is no guarantee of transferability to applications in individual cases. Each application must be...

Gebr. Reinfurt GmbH & Co. KG Niederhoferstraße 105 97222 Rimpar Germany Phone: +49 (0) 9365 819-0 E-Mail: info@grw.de GRW High-Precision Bearings LP 1330 Blue Hills Avenue Bloomfield, Connecticut 06002 USA Phone: +1 (860) 243-97 04 E-Mail: info@grw.de Kaman Specialty Bearings & Engineered Products 1330 Blue Hills Avenue Bloomfield, Connecticut 06002 USA Phone: +1 (860) 243-97 04 E-Mail: info@grw.de Kaman Specialty Bearings Pte. Ltd. 350 Orchard Road #11-08 Shaw House, Suite 16 Singapore 238868 +65 6725 9861 www.grw.de