22328MB/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 strength, excellent roller stability, and impact resistance
• C4 internal clearance supports high-temperature operation and heavy-load conditions
• W33 lubrication groove improves lubrication flow and cooling efficiency
• Strong radial and axial load capacity for continuous industrial operation
• Suitable for mining, steel production, cement plants, paper mills, and heavy industrial machinery
- Dimensions
Bore diameter 140 mm Outside diameter 300 mm Width 102 mm - Performance
Basic dynamic load rating 825 kN Basic static load rating 1340 kN Grease Reference speed 900 r/min Oil Limiting speed 1200 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 36 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22328MB/W33C4 spherical roller bearing is engineered for heavy-load and high-temperature industrial applications requiring enhanced thermal stability and reliable long-term performance. This bearing features an MB one-piece machined brass cage, offering high rigidity, precise roller guidance, and excellent resistance to impact and vibration. The C4 internal clearance allows greater internal space to accommodate thermal expansion under elevated operating temperatures, while the W33 lubrication groove ensures efficient grease distribution and improved cooling. It is widely used in mining machinery, steel mills, cement equipment, paper production lines, and other heavy-duty industrial systems operating under severe conditions.
FAQ
Q1: Why is C4 internal clearance used in this bearing?
A1: C4 clearance provides additional internal space, allowing the bearing to operate reliably under high temperatures and heavy loads where thermal expansion is significant.
Q2: What advantages does the MB brass cage offer?
A2: The MB one-piece machined brass cage ensures high rigidity, precise roller guidance, and long service life in harsh working environments.
Q3: How does the W33 lubrication groove improve bearing performance?
A3: It enhances grease circulation, improves cooling efficiency, and helps reduce wear, extending bearing service life.
Q4: What applications is the 22328MB/W33C4 suitable for?
A4: It is commonly used in mining equipment, steel mills, cement machinery, paper mills, and other heavy-duty industrial applications.
