Its main characteristics are low universality, mostly for special equipment and special occasion applications, small batch size, and the majority of newly developed equipment trial products; However, due to its non scale and mass production, as well as the limited number of production enterprises, the cost is high and the price is expensive.
The inner or outer diameter, width (height), and dimensions of standard bearings shall comply with the bearing external dimensions specified in GB/T 273.1-2003, GB/T 273.2-1998, GB/T 273.3-1999, or other relevant standards.
Non standard bearings refer to bearings that do not match the size and structure of standard bearings, which are produced according to customer requirements.