Rolling bearings Non-standard codeRolling bearings Non-standard code
When the inner or outer diameter bearings width (high) degree dimensions do not meet the relevant international standards, known as non-standard bearings. Non-standard bearing the code from the basic code, pre-code and post code composition. Basic Code by the type code and said basic bearing dimensions represent basic dimensions of two parts.
1, dimension series code Size code indicates there are two ways.
1), a non-standard size with outside diameter or width of the closest standard diameter or width series series, and after basic code plus the letters X1, X2, X3 represents
2), a non-standard diameter, diameter, width can not control standard size range, use the indefinite series representation.
2, the inner diameter of the bore size code letter notation as follows; 500MM integer divisible by 5 or less can be used, with the quotient divided by 5, said other internal diameter of a few millimeters in size with the actual direct representation, but it should be in the size range between its code of " / "separated.
In addition, you can use the feature size means that with the installation of non-standard bearings, bearing size expressed as: "/ ID * diameter * width" actual size mm.
