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.
• K tapered bore allows easy mounting and secure shaft fitting
• MB machined brass cage ensures high rigidity and precise roller guidance
• C3 internal clearance accommodates moderate thermal expansion
• W33 lubrication groove improves grease flow and cooling efficiency
• Reliable performance under heavy loads, shock, and continuous operation
| Bore diameter | 120 mm |
| Outside diameter | 260 mm |
| Width | 86 mm |
| Basic dynamic load rating | 645 kN |
| Basic static load rating | 992 kN |
| Grease Reference speed | 1100 r/min |
| Oil Limiting speed | 1500 r/min |
| Bore type | Tapered 1:12 |
| 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 | 22 kg |
| Roller material | Chrome steel |
| Ring Material | Chrome steel |
| Cage | Brass |
The JRZC 22324KMB/W33C3 spherical roller bearing is engineered for heavy-duty industrial applications requiring self-aligning performance, high load capacity, and stable operation under harsh conditions. This model features a K tapered bore for convenient mounting with adapter or withdrawal sleeves, combined with an MB one-piece machined brass cage that provides excellent strength, precise roller guidance, and superior resistance to shock and vibration. The C3 internal clearance allows for moderate thermal expansion during operation, while the W33 lubrication groove enhances grease distribution and cooling efficiency. It is widely used in mining machinery, steel mills, cement plants, conveyors, and other heavy-duty industrial systems.
FAQ
Q1: What is the benefit of the K tapered bore design?
A1: The K tapered bore allows easier installation and removal using adapter or withdrawal sleeves, ensuring accurate shaft alignment.
Q2: Why is the C3 internal clearance used in this bearing?
A2: C3 provides extra internal space to accommodate thermal expansion during high-load or elevated temperature operation.
Q3: How does the MB brass cage improve bearing performance?
A3: The MB one-piece machined brass cage delivers high strength, precise roller guidance, and long-term durability under harsh conditions.
Q4: In which applications is the 22324KMB/W33C3 commonly used?
A4: Mining machinery, steel production equipment, cement plants, conveyors, and other heavy-duty industrial gear systems.