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 one-piece machined brass cage provides high rigidity and precise roller guidance
Standard internal clearance suitable for stable operation under heavy load
W33 lubrication groove improves lubrication flow and cooling efficiency
Excellent radial and axial load capacity with self-aligning performance
Reliable performance under continuous heavy-duty operation
| Bore diameter | 80 mm |
| Outside diameter | 170 mm |
| Width | 58 mm |
| Basic dynamic load rating | 288 kN |
| Basic static load rating | 405 kN |
| Grease Reference speed | 1900 r/min |
| Oil Limiting speed | 2600 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 | 6.4 kg |
| Roller material | Chrome steel |
| Ring Material | Chrome steel |
| Cage | Brass |
The JRZC 22316MB/W33 spherical roller bearing is designed for heavy-duty industrial applications requiring high load capacity, reliable self-aligning performance, and long-term stability under demanding conditions. This bearing features an MB one-piece machined brass cage, providing excellent structural strength, precise roller guidance, and strong resistance to vibration and shock.
With standard internal clearance, it is suitable for normal operating temperatures and heavy-load applications. The W33 lubrication groove ensures efficient grease circulation and improved cooling, reducing friction and wear during continuous operation. It is widely used in mining machinery, crushers, conveyors, reducers, and other heavy-duty industrial equipment.
Q1: What is the advantage of standard internal clearance in this bearing?
A1: Standard clearance provides stable operation for normal temperature and heavy-load conditions without risk of excessive internal stress.
Q2: How does the MB brass cage improve reliability?
A2: The MB one-piece machined brass cage ensures high strength, precise roller guidance, and long service life under shock and vibration.
Q3: What is the function of the W33 lubrication groove?
A3: It improves grease distribution, enhances cooling efficiency, and reduces wear, extending the bearing’s operational life.
Q4: In which applications is the 22316MB/W33 commonly used?
A4: Mining machinery, crushers, conveyors, gearboxes, and other heavy-duty industrial equipment.