22348MB/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 superior durability
C4 internal clearance accommodates thermal expansion in heavy-load and high-temperature conditions
W33 lubrication groove enhances lubricant flow and cooling efficiency
Excellent radial and axial load capacity for demanding industrial applications
Suitable for mining, steel production, cement plants, paper machinery, and other heavy-duty equipment
- Dimensions
Bore diameter 240 mm Outside diameter 500 mm Width 155 mm - Performance
Basic dynamic load rating 1730 kN Basic static load rating 3250 kN Grease Reference speed 500 r/min Oil Limiting speed 630 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 153 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22348MB/W33C4 spherical roller bearing is engineered for heavy-load and high-impact industrial applications that demand exceptional stability, long service life, and reliable performance under severe conditions. Equipped with the MB one-piece machined brass cage, this bearing offers high rigidity, excellent roller guidance, and strong durability. The C4 internal clearance provides enhanced thermal expansion capacity, ensuring smooth operation in high-temperature and heavy-load environments. The W33 lubrication groove improves grease circulation and cooling efficiency, making it ideal for continuous-duty applications. It is widely used in mining machinery, steel mills, cement plants, paper mills, and other heavy-duty industrial systems.
FAQ
Q1: What is the benefit of the C4 internal clearance?
A1: C4 provides additional 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 environments.
Q3: How does the W33 lubrication groove improve performance?
A3: It enhances lubricant distribution, increases cooling efficiency, and extends the bearing’s service life.
Q4: Which industries commonly use the 22348MB/W33C4?
A4: Mining machinery, steel production equipment, cement mills, paper mills, and other heavy-duty industrial applications.
