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For bearings with both special precision tolerance and special clearance, the suffixes are combined. For example, the suffix for a bearing with tolerance P6 and clearance C3 is P63.

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Suffixes indicate bearings with special characteristics or designs, including special outer forms, cages, precision tolerances, clearances, and other characteristics like heat treatment and noise behavior. The most common suffixes are described in the tables below.

If the bearing code only contains the basic code and doesn’t include any prefixes or suffixes, it means that it is a normal bearing with normal standards of form, precision, and clearance.