22318MB/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 one-piece machined brass cage provides high strength, stable roller guidance, and excellent vibration resistance
Standard internal clearance suitable for normal operating temperatures and mounting conditions
W33 lubrication groove and oil holes improve lubrication flow and cooling efficiency
High radial and axial load capacity with self-aligning capability
Ideal for continuous operation in heavy-duty industrial applications
- Dimensions
Bore diameter 90 mm Outside diameter 190 mm Width 64 mm - Performance
Basic dynamic load rating 365 kN Basic static load rating 542 kN Grease Reference speed 1700 r/min Oil Limiting speed 2200 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 8.8 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22318MB/W33 spherical roller bearing is designed for heavy-duty industrial applications requiring high load capacity, reliable self-aligning performance, and long service life. Equipped with an MB one-piece machined brass cage, this bearing offers excellent structural strength, stable roller guidance, and strong resistance to shock and vibration under demanding working conditions.
The W33 lubrication groove and oil holes ensure efficient grease distribution and improved cooling performance, reducing friction and wear during continuous operation. Without increased internal clearance, this bearing is suitable for standard operating temperatures and normal shaft and housing fits. The 22318MB/W33 bearing is widely applied in conveyors, reducers, mining machinery, crushers, and general heavy industrial equipment.
FAQ
Q1: What type of applications is the 22318MB/W33 suitable for?
A1: It is suitable for general heavy-duty industrial equipment such as conveyors, gearboxes, crushers, reducers, and mining machinery operating under standard temperature conditions.
Q2: What is the advantage of the MB brass cage?
A2: The MB machined brass cage provides superior mechanical strength, accurate roller guidance, and reliable performance under heavy loads and vibration.
Q3: How does the W33 lubrication groove improve bearing performance?
A3: It ensures better lubricant distribution, improved heat dissipation, and reduced wear, helping extend service life.
Q4: When should standard internal clearance be selected instead of C3?
A4: Standard clearance is recommended for applications with normal temperatures, standard fits, and stable operating conditions.
