MT4 B-Type High Speed Live Center ~ Has an included 60° angle. ~ Made of precision ground hardened tool steel. ~ Two specially designed high-quality bearings. ~ Bearings are completely protected from the ingress of coolant, dirt or swarf. ~ Spindle is heat treated to HRC 60. ~ TIR is less than or equal to .0002″. ~ Maximum RPM is 5,000. ~ Load rate is 880 lbs. ~ Nose length is 2.00″. ~ Overall length is 9″. Has an included 60° angle. Made of precision ground hardened tool steel. Two specially designed high-quality bearings. Bearings are completely protected from the ingress of coolant, dirt or swarf. Spindle is heat treated to HRC 60.