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Ball Bearings

Luoyang Huigong Bearing Technology Co

  • Ball bearing / four-point-contact / thin-section

Article: 00009786

Ball bearing / four-point-contact / thin-section

Compared with A-type and C-type bearings, the feature of X-type four-point contact ball bearings is its groove shape. For C-type bearings, its center of raceway radius is in the center line of balls. For A-type bearings, its raceway and ball is in an angular contact, the center of raceway radius is deviated from the centerline of balls and symmetrically distributed around the center line. For X-type bearings, there are 2 centers of raceway radius on each side of the raceway, both of which are deviated from the center line of balls. This structure forms a four point contact between the balls and the raceway of X-type bearings.
Like C-type bearings, if X-type bearings have the counterbore, because the contact path of the balls and the raceway is not continuous, the axial and radial loads capacity will be reduced, and the rotation speed will also be restricted certainly.
The groove depth of X-type bearings is same as ones of A-type and C-type bearings (25% of the ball diameter). The structures of the deep groove ball and the four-point contact allows the bearing to carry radial load, axial load and moment load, like a back to back configuration of paired bearings......

Specifications

  • Rolling element: ball
  • Geometry: four-point-contact, thin-section
  • Inside diameter: Min.: 10 mm
  • Outside diameter: Min.: 280 mm

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