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
C3 internal clearance accommodates thermal expansion under heavy-load operation
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 | C3 |
| 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/W33C3 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.
The C3 internal clearance allows for thermal expansion during operation, making it suitable for elevated temperatures and heavy-load applications. The W33 lubrication groove ensures efficient grease circulation and 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: Why is C3 internal clearance important for this bearing?
A1: C3 clearance provides additional internal space to accommodate thermal expansion, ensuring stable operation under elevated temperatures and heavy loads.
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 under vibration and shock conditions.
Q3: How does the W33 lubrication groove improve performance?
A3: It enhances grease distribution, improves cooling efficiency, reduces friction, and extends bearing service life.
Q4: In which applications is the 22316MB/W33C3 commonly used?
A4: Mining machinery, crushers, conveyors, industrial gearboxes, and other heavy-duty equipment.