The composition of the code
The bearing code consists of a basic code and a post code.
The composition of the basic code
The basic code is divided into three parts, the front part is the type of construction and transmission type code, the middle part is the diameter of the rolling element (for the bearings with two or more rows of rolling elements, the maximum rolling element diameter), and the rear part is the diameter of the rolling center of gravity (for two rows The above rolling bearing is the maximum rolling center of gravity diameter)
1, the type of construction code according to the rules of Table 1.
01 Four-point contact ball bearings; 02 Double-reduction ball bearings; 11 Cylindrical roller bearings; 13 Three-row cylindrical roller bearings.
2, transmission type code according to the rules of Table 2.
0 No teeth; 1 Smaller module of involute spur gear external teeth; 2 Larger module of involute spur gear external teeth; 3 Smaller module of involute spur gear internal teeth; 4 Involute cylindrical gear Internal teeth larger modulus.
3, the basic code preparation rules
When the basic code is arranged, the construction type code and drive type code are written together, and the front, middle and back are separated by “.”.
