Products
240DBS204y
2019-04-26
  • 240DBS204y slewing ring bearing
  • NSK 240DBS204y slewing bearing
  • 240DBS204y four point contact ball bearing
  • 240DBS204y bearing structure
  • Part NO.

    Open type:240DBS204y

  • Dimension

    di:240mm

    Da:456mm

    H:68.5mm

  • Mounting

    Li:275mm

    La:395mm

  • Basic Load Ratings

  • Equivalent Model

Mass:42.3kg
  • Features
  • Mounting
  • 240DBS204y 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 74

     

    240DBS204y 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.

     

  • 240DBS204y slewing bearing mounting holes:

    – Inner ring mounting hole 19-φ22mm

    – Outer ring mounting hole 10-M16 Depth 40mm

     

    240DBS204y 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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