The designations of backing bearings consist of a basic designation and suffixes, where applicable.
|Drawing number identification|
|BCZ-||Based on a cylindrical roller bearing.
Drawing number identification starts with BCZ-.
|BC2(B)||Based on a double row cylindrical roller bearing.
Drawing number identification starts with BC2(B)-.
|A, B, C||Deviating or modified internal design. Combinations of these letters are also used, e.g. AB. The actual modification is specific to the individual bearing and is given on the drawing.|
|HA2||Case-hardened outer ring|
|HB1||Bainite-hardened inner and outer rings|
|HB2||Bainite-hardened outer ring|
|PEX||SKF Explorer bearing|