Cam clutch MZ bearing Series backstop is a type sprag freewheel supported by double bearings.Used for speed 600-1500r/m. Cam clutch MZ Series is a type sprag freewheel supported by double bearings. used for overrunning speed between 600-1500rmin, torque 180-8000 N.m, even highest torque more than 70000N.m. It allows roation in package machine, derrick machine. Metallurgy machine,etc., typeInner ...