22338MB/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 high rigidity and precise roller stability
• W33 lubrication groove improves coolant flow, lubrication efficiency, and heat dissipation
• Excellent radial and axial load capacity for heavy-duty industrial applications
• Strong resistance to vibration, shock loads, and continuous high-stress operation
• Ideal for mining, steel mills, cement plants, paper mills, and heavy industrial machinery
- Dimensions
Bore diameter 190 mm Outside diameter 400 mm Width 132 mm - Performance
Basic dynamic load rating 1390 kN Basic static load rating 2530 kN Grease Reference speed 670 r/min Oil Limiting speed 850 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 81 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22338MB/W33 spherical roller bearing is designed for heavy-load, high-impact, and continuous-duty industrial environments where stability, durability, and reliable operation are essential. Built with the MB one-piece machined brass cage, this model provides outstanding structural rigidity, precise roller guidance, and excellent resistance to shock and vibration. The W33 lubrication groove enhances grease circulation and cooling efficiency, ensuring smooth performance even under constant heavy load. Widely used in mining machinery, steel mills, cement equipment, paper production, and other demanding industrial systems, this bearing offers long service life and consistent operational reliability.
FAQ
Q1: What benefits does the MB brass cage provide?
A1: The MB one-piece machined brass cage ensures superior rigidity, stable roller guidance, and enhanced durability in harsh environments.
Q2: How does the W33 lubrication groove improve performance?
A2: It enhances lubricant distribution, improves cooling efficiency, and helps extend the bearing’s service life.
Q3: Is the 22338MB/W33 suitable for heavy continuous operation?
A3: Yes, it is designed for high radial loads, strong impact conditions, and long-duration industrial tasks.
Q4: Which industries commonly use this model?
A4: Mining, steel processing, cement production, paper manufacturing, and other heavy-duty industrial sectors.
