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

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

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