Live Centre Revolving Centre (Triple Bearing) , Consists of Three anti-friction Steel bearings. One needle roller bearing, one thrust ball bearing and one deep groove ball bearing. Well lubricated to protect against contaminants and coolants. Hardened and Ground (60-62 HRC) Steel with 60° tip angle. Run out within .0002" (.005 mm). Bearings are Pre-loaded and pressed to avoid starting loads.

Live Centre Revolving Centre (Triple Bearing) , Consists of Three anti-friction Steel bearings. One needle roller bearing, one thrust ball bearing and one deep groove ball bearing. Well lubricated to protect against contaminants and coolants. Hardened and Ground (60-62 HRC) Steel with 60° tip angle. Run out within .0002" (.005 mm). Bearings are Pre-loaded and pressed to avoid starting loads.