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 rigidity and precise roller guidance
• C3 internal clearance accommodates thermal expansion under heavy-load operation
• W33 lubrication groove improves grease flow and cooling efficiency
• Excellent radial and axial load capacity for demanding industrial conditions
• Reliable performance under continuous operation and shock loads
| Bore diameter | 110 mm |
| Outside diameter | 240 mm |
| Width | 80 mm |
| Basic dynamic load rating | 545 kN |
| Basic static load rating | 832 kN |
| Grease Reference speed | 1200 r/min |
| Oil Limiting speed | 1600 r/min |
| 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 |
| Product net weight | 18.1 kg |
| Roller material | Chrome steel |
| Ring Material | Chrome steel |
| Cage | Brass |
The JRZC 22322MB/W33C3 spherical roller bearing is designed for heavy-duty industrial applications requiring stable operation, high load capacity, and long-term reliability. This model features an MB one-piece machined brass cage, providing excellent strength, precise roller guidance, and strong resistance to shock and vibration. The C3 internal clearance allows the bearing to accommodate thermal expansion during continuous operation or elevated temperatures, while the W33 lubrication groove enhances 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 the bearing to perform reliably under high temperatures and heavy-load conditions.
Q2: What advantages does the MB brass cage offer?
A2: The MB one-piece machined brass cage ensures high strength, precise roller guidance, and long service life in harsh environments.
Q3: How does the W33 lubrication groove improve bearing performance?
A3: It enhances grease distribution, improves cooling efficiency, and extends bearing service life.
Q4: In which applications is the 22322MB/W33C3 commonly used?
A4: Mining machinery, steel mills, cement plants, conveyors, and other heavy-duty industrial equipment.