parametersLead Screw Seal Series Features: 60° large contact angle, and the number of steel balls increased, further improve the bearing axial rigidity, on the basis of the 76 series on both sides increased contact with the seal ring, further im

parametersH70 with sealed ultra-high Speed series Features: Both ends are equipped with non-contact sealing ring, can simplify the seal design of the host, convenient for the user to install high water-resistant grease. a, including H70 serie