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22356KMB/W33C3

22356KMB/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.


  • KMB reinforced brass cage provides exceptional strength, rigidity, and impact resistance

  • Tapered bore (K) supports precise shaft mounting and improved stability under heavy loads

  • C3 clearance enhances heat tolerance and ensures smooth operation in high-temperature environments

  • W33 lubrication groove enhances cooling, lubrication efficiency, and overall service life

  • Ideal for mining, steel mills, cement plants, paper machinery, and heavy industrial gear systems


Display in:
  • Dimensions
    Bore diameter280 mm
    Outside diameter580 mm
    Width175 mm
  • Performance
    Basic dynamic load rating2420 kN
    Basic static load rating4650 kN
    Grease Reference speed450 r/min
    Oil Limiting speed560 r/min
  • Properties
    Bore typeTapered 1:12
    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 weight238 kg
    Roller materialChrome steel
    Ring MaterialChrome steel
    CageBrass


The JRZC 22356KMB/W33C3 spherical roller bearing is engineered for extremely heavy-duty industrial applications that require high radial load capacity, strong axial performance, and reliable operation under shock, impact, and variable load conditions. Featuring a KMB reinforced brass cage and a tapered bore design, this model ensures excellent stability, precise shaft mounting, and improved rigidity. The C3 internal clearance enhances heat tolerance and compensates for thermal expansion, while the W33 lubrication groove significantly improves grease distribution and cooling efficiency. It is widely applied in mining equipment, metallurgical machinery, cement mills, paper mills, and large gear-driven systems requiring long-term stable performance.


FAQ

Q1: Why is the C3 internal clearance suitable for this bearing?
A1: C3 provides additional internal space, ensuring stable operation under high temperature and heavy-load conditions.


Q2: What are the advantages of the KMB brass cage?
A2: The KMB cage offers superior strength, excellent impact resistance, and high durability for harsh industrial environments.


Q3: Does the W33 lubrication groove improve service life?
A3: Yes, it ensures better lubrication flow, reduces heat buildup, and significantly extends operating life.


Q4: What industries commonly use the 22356KMB/W33C3 bearing?
A4: It is widely used in mining, metallurgy, cement production, paper processing, and heavy-duty industrial machinery.