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22348MB/W33C3

22348MB/W33C3

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, excellent roller stability, and strong durability

  • C3 internal clearance accommodates thermal expansion and ensures smooth operation

  • W33 lubrication groove improves lubrication distribution and cooling efficiency

  • Excellent radial and axial load capacity for high-impact industrial conditions

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


Display in:
  • Dimensions
    Bore diameter240 mm
    Outside diameter500 mm
    Width155 mm
  • Performance
    Basic dynamic load rating1730 kN
    Basic static load rating3250 kN
    Grease Reference speed500 r/min
    Oil Limiting speed630 r/min
  • Properties
    Bore typeCylindrical
    For Load DirectionRadial
    Number of rowsDouble row
    Radial internal clearanceC3
    Tolerance class for dimensionsNomal
    Tolerance class for run-outP6
    Seal typeWithout
    LubricantNone
    Relubrication featureWithout
  • Weight and Material
    Product net weight153 kg
    Roller materialChrome steel
    Ring MaterialChrome steel
    CageBrass


The JRZC 22348MB/W33C3 spherical roller bearing is designed for heavy-load and high-impact industrial applications requiring reliable performance, long service life, and continuous operation. Featuring the MB one-piece machined brass cage, this bearing provides high rigidity, precise roller guidance, and strong durability under severe working conditions. The C3 internal clearance allows for thermal expansion, ensuring smooth operation under heavy load and moderate temperature environments. The W33 lubrication groove enhances grease flow and cooling efficiency, extending service life in demanding industrial systems. It is widely used in mining machinery, steel production lines, cement mills, paper mills, and other heavy-duty equipment.


FAQ

Q1: What is the benefit of the C3 internal clearance?
A1: C3 provides additional internal space to accommodate thermal expansion, ensuring stable operation under heavy load and moderate temperatures.


Q2: Why is the MB brass cage important?
A2: The MB one-piece machined brass cage delivers superior strength, precise roller guidance, and reliable durability in harsh industrial conditions.


Q3: How does the W33 lubrication groove improve performance?
A3: It enhances lubricant flow, improves cooling efficiency, and extends the bearing’s service life.


Q4: Which industries commonly use the 22348MB/W33C3?
A4: Mining machinery, steel production equipment, cement mills, paper mills, and other heavy-duty industrial applications.