22330MB/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 delivers superior rigidity and stable roller guidance
• W33 lubrication groove ensures improved cooling and lubricant flow
• Excellent radial and axial load capacity suitable for continuous heavy-duty operation
• Strong resistance to vibration, shock, and harsh industrial working conditions
• Ideal for mining, steel mills, cement plants, paper mills, and large industrial 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 C0 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/W33 spherical roller bearing is built for demanding industrial environments that require strong load capacity, high impact resistance, and long-term operational stability. Equipped with the MB one-piece machined brass cage, this model provides excellent structural rigidity, precise roller guidance, and reliable performance under continuous heavy loads. The W33 lubrication groove enhances grease circulation and cooling efficiency, reducing friction and improving durability. This bearing is widely used in mining equipment, steel production machinery, cement mills, paper manufacturing systems, and other heavy-duty industrial applications that demand high reliability.
FAQ
Q1: What is the benefit of the MB brass cage?
A1: The MB one-piece machined brass cage provides high strength, excellent roller stability, and superior durability in demanding environments.
Q2: How does the W33 lubrication groove enhance performance?
A2: It improves lubricant distribution, enhances cooling efficiency, and reduces friction, helping extend service life.
Q3: Is the 22330MB/W33 suitable for long-term heavy-load operation?
A3: Yes, it is designed for continuous heavy-duty use with strong resistance to shock and vibration.
Q4: Which industries commonly use this bearing?
A4: Mining, steel production, cement plants, paper manufacturing, and other heavy industrial sectors.
