The 6300 series is has a larger ball complement and heavier races, which provide greater radial, thrust, and combined load capacities. Functionally, the 6300 series is similar to the 6200 series. Bearings can have permanent metal shields (ZZ) or removable rubber seals (2RS) installed. As with other series, tolerance grades Abec 1-9, internal clearances C2 to C4, and various cage designs are available.

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