Product Description

NK NKI NA RNA NA49 NA69 RNA49 RNA69 NAO RNAO Heavy-duty Needle roller bearings consist of a machined and ground channel-shaped outer ring with a component of needle rollers retained and guided by a cage. The high-strength cage retains and guides the rollers. An optional groove and hole in the outer ring facilitate relubrication. These bearings can be used with or without a machined or ground inner ring, depending on the suitability of the shaft as a raceway surface

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