22319MB/W33
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
• Standard internal clearance suitable for stable 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
- Dimensions
Bore diameter 95 mm Outside diameter 200 mm Width 67 mm - Performance
Basic dynamic load rating 385 kN Basic static load rating 570 kN Grease Reference speed 1600 r/min Oil Limiting speed 2000 r/min - Properties
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 - Weight and Material
Product net weight 10.3 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22319MB/W33 spherical roller bearing is designed for heavy-duty industrial applications that require high load capacity, stable self-aligning performance, and long service life. This bearing features an MB one-piece machined brass cage, offering excellent strength, precise roller guidance, and reliable operation under shock and vibration. With standard internal clearance, it is suitable for typical operating conditions and continuous heavy-load applications. The W33 lubrication groove enhances grease circulation and cooling efficiency, helping reduce operating temperature and extend bearing service life. It is widely used in mining machinery, steel processing equipment, cement plants, conveyors, and other demanding industrial systems.
FAQ
Q1: What is the advantage of standard internal clearance in this bearing?
A1: Standard clearance ensures balanced and reliable performance for most heavy-duty applications operating under normal temperature and load conditions.
Q2: How does the MB brass cage improve bearing reliability?
A2: The MB one-piece machined brass cage delivers high strength, accurate roller guidance, and excellent resistance to shock and wear.
Q3: What role does the W33 lubrication groove play?
A3: It improves grease distribution and cooling efficiency, reducing friction and extending bearing service life.
Q4: In which applications is the 22319MB/W33 commonly used?
A4: Mining machinery, steel mills, cement plants, conveyor systems, and other heavy-duty industrial equipment.
