22320MB/W33C4
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 provides high rigidity and precise roller guidance
• C4 internal clearance supports high-temperature and heavy-load operation
• W33 lubrication groove improves grease flow and cooling efficiency
• Excellent radial and axial load capacity for demanding industrial conditions
• Reliable performance under continuous heavy-duty operation
- Dimensions
Bore diameter 100 mm Outside diameter 215 mm Width 73 mm - Performance
Basic dynamic load rating 450 kN Basic static load rating 668 kN Grease Reference speed 1400 r/min Oil Limiting speed 1800 r/min - Properties
Bore type Cylindrical For Load Direction Radial Number of rows Double row Radial internal clearance C4 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 13 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22320MB/W33C4 spherical roller bearing is engineered for heavy-duty industrial applications requiring high load capacity, excellent thermal tolerance, and long-term reliability. This bearing features an MB one-piece machined brass cage, providing superior strength, precise roller guidance, and reliable operation under shock and vibration. The C4 internal clearance allows for additional space to accommodate thermal expansion during high-temperature or heavy-load operation, while the W33 lubrication groove enhances grease circulation and cooling efficiency. It is widely applied in mining machinery, steel production equipment, cement plants, conveyors, and other demanding industrial systems.
FAQ
Q1: Why is C4 internal clearance important for this bearing?
A1: C4 clearance provides extra internal space, making the bearing suitable for high-temperature and heavy-load applications where thermal expansion is significant.
Q2: What advantages does the MB brass cage offer?
A2: The MB one-piece machined brass cage delivers high strength, precise roller guidance, and long service life under harsh conditions.
Q3: How does the W33 lubrication groove improve bearing performance?
A3: It enhances grease distribution, improves cooling efficiency, and reduces friction, extending bearing service life.
Q4: In which applications is the 22320MB/W33C4 commonly used?
A4: Mining machinery, steel production equipment, cement plants, conveyors, and other heavy-duty industrial machinery.
