• NRXT30040DD crossed roller bearing
  • NRXT30040DD slewing bearing
  • NSK NRXT30040DD bearing
  • NRXT30040DD cross roller bearing structure
  • Part NO.

    Open type:NRXT30040DD

  • Dimension





  • Mounting

  • Basic Load Ratings

  • Equivalent Model


  • Features
  • Mounting
  • NRXT30040DD detail specifications:

    Type of guide Roller
    Space retainer Yes
    Material GCr15
    Standard lubrication method Grease lubrication
    Oil hole Yes
    Sealing Seals on both sides
    Axial clearance C8, C1
    Rotation accuracy P5
    Working temperature -20℃ ~ 80℃


    NRXT30040DD crossed roller bearing features:

    1. Compact inner ring with separable outer ring.

    2. Sustain radial, axial and moment loads at the same time.

    3. High rigidity, high running accuracy and high loading capacity.

    4. Space saving.



  • NRXT30040DD crossed roller 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 be deteriorated 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.


    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 by using fixing plates, etc.
    3. Slightly loosen the fixing bolts of bearings outer ring during mounting.


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