Drawn cup needle roller bearings are available in 3 mm to 139.7 mm bore (0.1181 – 5.5000 inch). They support radial loads and reduce friction between rotating components, with a drawn outer shell serving as a raceway for the rollers. The small cross section of the drawn cup bearing provides high load-carrying capability with minimum required space. Drawn cup bearings are easily installed with a press fit in the housing.
The outer ring in the form of a cup is accurately drawn and no subsequent machining is performed to build the outer raceway. Drawn cup needle roller bearings are available in open ends or single, closed-end designs. They are also available with one or two integral seals. Other options include a single lubricating hole and matching inner ring.
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