22320MB/W33C3 spherical roller bearing
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 guidance
• C3 internal clearance accommodates thermal expansion during heavy-load operation
• W33 lubrication groove improves lubrication flow and cooling efficiency
• Excellent radial and axial load capacity for demanding industrial conditions
• Reliable performance under continuous operation and shock loads
- 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 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 13 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22320MB/W33C3 spherical roller bearing is designed for heavy-duty industrial applications that require high load capacity, stable operation, and long service life. This bearing adopts an MB one-piece machined brass cage, offering excellent structural strength, precise roller guidance, and reliable performance under shock and vibration conditions. The C3 internal clearance allows the bearing to accommodate thermal expansion during continuous operation or moderate high-temperature environments, while the W33 lubrication groove improves grease circulation and cooling efficiency. It is widely used in mining machinery, steel processing equipment, cement plants, conveyors, and other heavy-duty industrial systems.
FAQ
Q1: Why is the C3 internal clearance important for this bearing?
A1: C3 clearance provides additional internal space, allowing stable operation under heat generation and heavy-load conditions.
Q2: What advantages does the MB brass cage provide?
A2: The MB one-piece machined brass cage offers high strength, accurate roller guidance, and long service life in harsh working environments.
Q3: How does the W33 lubrication groove improve bearing performance?
A3: It enhances grease distribution, improves cooling efficiency, and reduces wear, extending bearing service life.
Q4: In which applications is the 22320MB/W33C3 commonly used?
A4: Mining machinery, steel mills, cement plants, conveyor systems, and other heavy-duty industrial equipment.
