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22340MB/W33

22340MB/W33

MB Series Spherical Roller Bearings feature a symmetrical barrel roller design combined with a solid brass cage, delivering exceptional load capacity, strength, and alignment compensation. Engineered for superior durability and thermal stability, these bearings ensure reliable performance under heavy loads, shock, and harsh operating conditions. They are ideal for demanding industrial applications such as mining, metallurgy, construction, and heavy machinery, where high strength, long service life, and consistent efficiency are critical.


  • MB machined brass cage ensures high rigidity, precise roller guidance, and strong durability

  • W33 lubrication groove improves lubrication flow and cooling efficiency

  • Excellent radial and axial load capacity for heavy-load and continuous operations

  • Stable performance under vibration, shock, and heavy-load conditions

  • Suitable for mining machinery, steel mills, cement plants, paper machinery, and other heavy-duty industrial applications


Display in:
  • Dimensions
    Bore diameter200 mm
    Outside diameter420 mm
    Width138 mm
  • Performance
    Basic dynamic load rating1490 kN
    Basic static load rating2720 kN
    Grease Reference speed630 r/min
    Oil Limiting speed800 r/min
  • Properties
    Bore typeCylindrical
    For Load DirectionRadial
    Number of rowsDouble row
    Radial internal clearanceC0
    Tolerance class for dimensionsNomal
    Tolerance class for run-outP6
    Seal typeWithout
    LubricantNone
    Relubrication featureWithout
  • Weight and Material
    Product net weight94 kg
    Roller materialChrome steel
    Ring MaterialChrome steel
    CageBrass


The JRZC 22340MB/W33 spherical roller bearing is engineered for heavy-load, high-impact, and continuous-duty industrial applications that require high stability, reliable performance, and long service life. Featuring the MB one-piece machined brass cage, this bearing provides excellent rigidity, precise roller guidance, and strong durability under severe working conditions. The W33 lubrication groove enhances grease circulation and cooling efficiency, supporting smooth operation in high-load and high-temperature environments. This bearing is widely used in mining machinery, steel production lines, cement mills, paper mills, and other heavy-duty industrial systems.


FAQ

Q1: What benefits does the MB brass cage provide?
A1: The MB one-piece machined brass cage delivers high strength, precise roller guidance, and excellent durability in harsh industrial conditions.


Q2: How does the W33 lubrication groove enhance performance?
A2: It improves lubricant distribution, enhances cooling efficiency, and extends the bearing’s service life.


Q3: Is the 22340MB/W33 suitable for continuous heavy-load operations?
A3: Yes, it is designed for high-load, high-impact, and long-duty-cycle industrial equipment.


Q4: Which industries commonly use the 22340MB/W33?
A4: Mining machinery, steel production equipment, cement mills, paper mills, and other heavy-duty industrial systems.