Products
CRBF11528AD
2019-03-15
  • CRBF11528AD crossed roller bearing
  • face mount crossed roller ring CRBF11528
  • CRBF11528 bearing
  • CRBF11528AD slewing bearing structure
  • Part NO.

    Open type:CRBF11528AD

    With seal:CRBF11528ADUU

  • Dimension

    d:115mm

    D:240mm

    B:28mm

  • Mounting

    PCD1:139mm

    PCD2:217mm

  • Basic Load Ratings

    Cr:84.3kN

    Cor:138kN

  • Equivalent Model

    RU178(G)

Mass:6.63kg
  • Features
  • Mounting
  • CRBF11528AD crossed roller bearing specifications:

    Type of guide Roller
    Space retainer Yes
    Material GCr15
    Standard lubrication method Grease lubrication
    Oil hole Yes
    Sealing UU- framework oil seals both sides
    Surface treatment Black oxide treated, phosphate treatment, other
    Radial clearance T1/C1/C2
    Rotation accuracy P5/P4/P2
    Working temperature -15℃ ~ 80℃

    CRBF crossed roller bearing catalog

    CRBF11528AD face mount cross roller bearing features:

    1. The inner/outer ring is a solid one-piece structure, so bearings can provide high stiffness.
    2. One single bearing can sustain radial, axial, and moment loads at the same time.
    3. High rigidity & rotation accuracy. The compact structure of the CRBF series reduces the influence of the installation.
    4.Miniaturization. The inner ring and outer ring with mounting holes, so it can be easily mounted to a device with bolts without need for housing and fixing plate, so surrounding parts of the bearing can be made compact, which contributes to miniaturization and a weight saving of devices.

  • CRBF11528 bearing installation instructions

    Cautions: For crossed roller bearings with split outer ring, when the rigidity of the mounting parts is not sufficient, stress concentration will occur at the contact area between the rollers and raceways, and the bearing performance will deteriorate significantly.

    Therefore, it is necessary to carefully examine the rigidity of housing and the strength of fixing bolts when a large moment will be applied.

    CRBF11528 bearing mountingCRBF11528 bearing 1. Before installation, please clean bearing bracket, shaft, or other components, make sure there is no burrs or rough edge.
    2.Fix the inner and outer rings in the axial direction directly to the mounting surface by fixing bolts
    3. If a large number of radial load and/or moment is applied, it is recommended to prepare the flange part as Fig.4.

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