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NJ300 Series Removable Inner Race

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About NJ300 Series Removable Inner Race

NJ type cylindrical roller bearings have two ribs on the outer ring and one rib on the inner ring. The single inner ring rib lets them take a light thrust load in one direction and locate the shaft in that direction, as well as carrying high radial loads. The inner ring separates from one side, which makes mounting easier. Two NJ bearings mounted facing each other can locate a shaft in both directions.

The NJ300 series is medium duty, larger than the NJ200 for the same bore. Cages are brass or steel. In the part number, E marks the higher capacity design and C3 a larger internal clearance than standard.

For lighter loads, see the NJ200 series. See all Cylindrical Roller Bearings.

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