22330MB/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 and precise roller stability
• C3 internal clearance provides improved heat tolerance and smoother operation
• W33 lubrication groove enhances lubricant distribution and cooling performance
• Excellent radial and axial load capacity for heavy-duty industrial environments
• Ideal for mining, steel mills, cement plants, paper mills, and continuous-running machinery
- Dimensions
Bore diameter 150 mm Outside diameter 320 mm Width 108 mm - Performance
Basic dynamic load rating 1020 kN Basic static load rating 1740 kN Grease Reference speed 850 r/min Oil Limiting speed 1100 r/min - Properties
Bore type Cylindrical For Load Direction Radial Number of rows Double row Radial internal clearance C3 Tolerance class for dimensions Nomal Tolerance class for run-out P6 Seal type Without Lubricant None Relubrication feature Without - Weight and Material
Product net weight 43 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22330MB/W33C3 spherical roller bearing is engineered for heavy-load and high-impact industrial applications requiring enhanced operating clearance, superior stability, and long-term durability. Featuring the MB one-piece machined brass cage, this model delivers excellent rigidity, precise roller guidance, and reliable performance under harsh working conditions. The C3 internal clearance provides additional space to accommodate thermal expansion during high-speed or high-temperature operation, ensuring smoother rotation and reduced friction. The W33 lubrication groove improves grease flow and cooling efficiency, extending the bearing’s service life. This model is widely applied in mining machinery, steel production lines, cement mills, and other demanding industrial systems.
FAQ
Q1: Why is the C3 internal clearance important for this bearing?
A1: C3 provides extra internal space that accommodates thermal expansion, ensuring stable and smooth operation under heavy load and elevated temperatures.
Q2: What advantage does the MB brass cage offer?
A2: The MB one-piece machined brass cage provides excellent strength, precise roller alignment, and high durability in severe operating conditions.
Q3: How does the W33 lubrication groove help extend bearing life?
A3: It improves lubricant flow, enhances cooling, and reduces friction, contributing to longer operating life.
Q4: In which industries is the 22330MB/W33C3 commonly used?
A4: It is widely used in mining machinery, steel processing, cement production, paper mills, and other heavy-duty industrial applications.
