... by 45 # steel car ownership, and after quenching and tempering treatment. c,the bearing adopts double-row spherical roller bearings, with fine ... plates and fixed two, in order to improve crushing effect, surface using optimized tooth type, material used ZGMn13 with high hardness ... ×1300300×130026030-705530-901800×2300×1700 Jaw Crusher with High Reliability, Low Noise and Less Dust, Easy-to-maintain