Impact crushers work under harsh conditions for a long time and the rotor bearings are easily damaged. According to the feedback from Deya Machinery’s clients and experience of Deya Machinery’s technical team, this paper would like to discuss several aspects to reach improve the bearing life.
1. Correct selection of bearing type, reasonable calculation of bearing life
Because of the double-row radial spherical roller bearings have the advantages of strong bearing capacity and good alignment performance, so it is mostly used as the rotor bearing of impact crusher at home and abroad. After a long period of practice, Deya Machinery technical personnel believe that the empirical formula P=3G (G is the weight of the rotor body) to calculate the equivalent load is applicable. And the expected calculated life of the bearing can be 10000 hours as appropriate.