It is done on outside diameters to close tolerance to accomodate bearings, oil seals etc. Extreme accuracy is maintained on bore diameters to maintain the run out between PCD of the gear with bore. CNC Surface grinding achieves the micro finish needed for applications such as thrust washer or to maintain overall height.
CONTACT US AT SUPREME INDUSTRIAL WORKS ADDRESS : A/6/7, Laghu Udyog Kendra, I.p.patel Road Goregaon (E), Mumbai-400063 (Maharashtra)