• XSU080318 crossed roller bearing
  • XSU080318 slewing bearing
  • INA XSU080318 bearing
  • XSU080318 bearing structure
  • Part NO.

    Open type:XSU080318

  • Dimension




  • Mounting



  • Basic Load Ratings



  • Gear Teeth



  • Equivalent Model

  • Features
  • Mounting
  • XSU080318 crossed roller bearing specifications:

    Type of guide Roller
    Gear teeth Without
    Space retainer Yes
    Material GCr15/50Mn/42CrMo
    Standard lubrication method Grease lubrication
    Oil hole Yes
    Sealing NBR sealing at both sides
    Running accuracy radial/axial runout 0.01 mm
    Clearance -0.015~0 mm
    Working temperature -20℃ ~ +80℃

    More XSU series cross roller bearing models


    XSU080318 cross roller bearing features:

    1. Slim type thin section crossed roller slewing ring, suited for limited space, simplify the design of mechanism and reduce the total weight.

    2. Support high radial loads, moderate axial loads and tilting moment loads.

    3. High rigidity & running accuracy.

    4. Easy installation, bearings can be screw mounted directly to the adjacent construction.

    5. Customized size and structure available upon request, and MOQ is low.



    1. I’m designing a prototype, can you produce according to my design?
    Yes, BRS can produce custom design based on users requirements, but there will be a MOQ.


    2. How to select crossed roller bearings?
    Crossed roller bearings performance can directly affect the performance of mechanical equipment, so selecting bearings require careful consideration. BRS suggest users choose cross roller ring following the procedures shown below.

    how to select crossed roller bearings


  • XSU080318 crossed roller bearing installation instructions

    XSU080318 bearing mounting size


    XSU080318 bearing mounting size:

    Inner ring Li: 295mm

    Mounting hole: 28-φ6.8, counter bore hole φ11 depth 6.8, equally spaced

    Outer ring La: 340mm

    Mounting hole: 28-φ6.8, counter bore hole φ11 depth 6.8, equally spaced




    XSU080318 bearing mounting instructionXSU080318 slewing bearing install1.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 large number of radial load and/or moment is applied, it is recommended to prepare flange part as Fig.4.


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