GRW

Brand reference:75670

GRW was founded in 1942 in the city of Wuerzburg in northern Bavaria. In 1958, the founders of GRW decided to establish our factory in Rimpar. Since then, Rimpar has been our main production site and became the official headquarters of GRW in 2009. Over the years, GRW expanded the factory by constructing production workshops and clean rooms. Throughout its corporate history, GRW established new locations and sales offices in countries such as the Czech Republic, the United Kingdom, and the United States. As a subsidiary, we have been part of Kaman Corporation since 2015, benefiting from shared expertise, synergies, and the development of joint strategies for the global market.

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GRW bearings are bearings that operate under sliding friction. Plain bearings operate smoothly, reliably, and without noise. Under liquid lubrication conditions, the sliding surfaces are separated by lubricating oil without direct contact, which can greatly reduce friction losses and surface wear. The oil film also has a certain vibration absorption capacity. However, the starting friction resistance is relatively high. The part of the shaft supported by the bearing is called the journal, and the part mating with the journal is called the bearing bush. The anti-friction material layer cast on the inner surface of the bearing bush to improve its friction properties is called the bearing lining. The materials of the bearing bush and bearing lining are collectively referred to as plain bearing materials.

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