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 and excellent roller guidance
• W33 lubrication groove improves lubrication efficiency and heat dissipation
• Strong resistance to shock loads and continuous heavy-duty operation
• Excellent radial and axial load-carrying capacity
• Suitable for mining machinery, crushers, conveyors, steel mills, and heavy industrial equipment
| Bore diameter | 140 mm |
| Outside diameter | 300 mm |
| Width | 102 mm |
| Basic dynamic load rating | 825 kN |
| Basic static load rating | 1340 kN |
| Grease Reference speed | 900 r/min |
| Oil Limiting speed | 1200 r/min |
| 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 |
| Product net weight | 36 kg |
| Roller material | Chrome steel |
| Ring Material | Chrome steel |
| Cage | Brass |
The JRZC 22328MB/W33 spherical roller bearing is engineered for heavy-duty industrial applications requiring high load capacity, stable performance, and long service life. Featuring an MB one-piece machined brass cage, this bearing provides excellent structural strength, precise roller guidance, and reliable operation under heavy loads and shock conditions. The W33 lubrication groove and oil holes enhance grease distribution and cooling efficiency, helping reduce operating temperatures and extend service life. This bearing is widely used in mining equipment, steel production machinery, conveyors, crushers, and other demanding industrial systems.
FAQ
Q1: What benefits does the MB machined brass cage provide?
A1: The MB one-piece brass cage offers high strength, precise roller guidance, and stable performance under heavy loads and impact conditions.
Q2: How does the W33 lubrication groove improve bearing performance?
A2: It enhances grease circulation, improves cooling efficiency, and helps extend bearing service life.
Q3: Is the 22328MB/W33 suitable for continuous heavy-load operation?
A3: Yes, it is designed for continuous operation under heavy loads and demanding industrial conditions.
Q4: In which applications is the 22328MB/W33 commonly used?
A4: It is commonly used in mining equipment, steel production machinery, crushers, conveyors, and other heavy-duty industrial applications.