• 336DBS204y slewing ring bearing
  • NSK 336DBS204y slewing bearing
  • 336DBS204y four point contact ball bearing
  • 336DBS204y bearing structure
  • Part NO.

    Open type:336DBS204y

  • Dimension




  • Mounting



  • Basic Load Ratings

  • Equivalent Model

  • Features
  • Mounting
  • 336DBS204y detail specifications:

    Rolling Elements Ball
    Space retainer Yes
    Material GCr15 Bearing steel / 50Mn
    Standard lubrication method Grease lubrication
    Lubrication hole Yes
    Sealing NBR sealing at both sides
    Module 6
    Teeth number 91


    336DBS204y slewing ring bearing features:

    1. Sustain radial, axial loads and tipping moments.

    2. Simple structure, reduce maintenance time.

    3. Easy installation and replacement with through or threaded mounting holes on inner and outer rings.


  • 336DBS204y slewing bearing mounting holes:

    – Inner ring mounting hole 25-φ22mm

    – Outer ring mounting hole 14-M18, Thread depth 40mm


    336DBS204y four point contact bearings installation instructions

    VLU200414 slewing ring mounting instruction


    1. Make sure the mounting surface is flat and clean, and free from burrs or

    rough edge.


    2. The unhardened zone is marked with an “S” on the slewing ring, it must be positioned outside the main load-carrying areas.


    slewing ring bolts fastening order

    3. Commissioning of the slewing ring under sufficient load.


    4. Adjust the backlash of gear and recheck it after final tightening of the bearing.


    5. Fastening bolts. Place the bearing onto connecting structure and align the screw holes. Screw all the bolts in the holes first and follow the order as shown in diagram when tightening bolts in diagonally opposite sequence. Do not tighten bolts randomly.



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