22319KMB/W33C3
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 alignment
• 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
- 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 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 - Weight and Material
Product net weight 10.3 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22319KMB/W33C3 spherical roller bearing is designed for heavy-duty industrial applications requiring self-aligning capability, high load capacity, and stable performance under harsh operating 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 strong resistance to shock and vibration. The C3 internal clearance allows the bearing to accommodate thermal expansion during continuous operation or elevated temperatures, while the W33 lubrication groove enhances grease circulation 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 easy installation and removal using adapter or withdrawal sleeves, ensuring accurate shaft alignment.
Q2: Why is the C3 internal clearance important for this bearing?
A2: C3 clearance provides additional internal space to accommodate thermal expansion during heavy-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 22319KMB/W33C3 commonly used?
A4: Mining machinery, steel production equipment, cement plants, conveyors, and other heavy-duty industrial systems.
