22338MB/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 ensures high rigidity, precise roller guidance, and strong durability
C4 internal clearance accommodates thermal expansion under heavy-load and high-temperature conditions
W33 lubrication groove improves lubricant flow and cooling efficiency
Excellent radial and axial load capacity for demanding industrial applications
Ideal for mining machinery, steel mills, cement plants, paper machinery, and other heavy-duty industrial systems
- 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 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 81 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22338MB/W33C4 spherical roller bearing is engineered for heavy-load, high-impact, and continuous-duty industrial applications that demand superior stability and long service life. Featuring the MB one-piece machined brass cage, this bearing provides excellent rigidity, precise roller guidance, and reliable performance under severe working conditions. The C4 internal clearance accommodates thermal expansion, ensuring smooth operation in high-load and high-temperature environments. The W33 lubrication groove enhances grease flow and cooling efficiency, extending service life. This bearing is widely used in mining machinery, steel production lines, cement mills, paper mills, and other heavy-duty industrial systems.
FAQ
Q1: What is the benefit of the C4 internal clearance?
A1: C4 provides extra internal space to accommodate thermal expansion, ensuring stable operation under high-load and high-temperature conditions.
Q2: Why is the MB brass cage important?
A2: The MB one-piece machined brass cage delivers superior strength, precise roller guidance, and reliable durability in harsh industrial conditions.
Q3: How does the W33 lubrication groove improve performance?
A3: It enhances lubricant distribution, improves cooling efficiency, and extends the bearing’s service life.
Q4: Which industries commonly use the 22338MB/W33C4?
A4: Mining machinery, steel production equipment, cement mills, paper mills, and other heavy-duty industrial applications.
