Chinese mechanical industry standard（JB/T2300-1999）
Note:
1. n1 is the number of lubrication holes. Oil cup M10X1 JB /T7940.1-JB/T7940.2.According to application, customers can designate the position of lubrication on holes.
2. n-φ can be replaced by thread holes. The diameter of thread M, the depth of threads 2M.
3. The circumferential force in table is the maximum value. The rating circumferential force is half of the maximum value.
4. “k” is the cutting-down coefficient.
5. The specification in sample is the standard products, the inside and outside diameter is free tolerance .If there are fit requirements between the motor and the slewing bearing, please give the fit dimension and precision in contract or attachment(as the technical protocol).
6. As shown in table is general products, If having other special requirements, please contact with us.
