22336KMB/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.
• Tapered bore (K) design ensures secure mounting and improved shaft alignment
• MB machined brass cage provides high rigidity, superior roller stability, and impact resistance
• C3 internal clearance supports better thermal expansion performance and smooth operation
• W33 lubrication groove improves cooling efficiency and lubricant distribution
• Suitable for heavy shock, high radial load, and demanding industrial environments
- Dimensions
Bore diameter 180 mm Outside diameter 380 mm Width 126 mm - Performance
Basic dynamic load rating 1260 kN Basic static load rating 2270 kN Grease Reference speed 700 r/min Oil Limiting speed 900 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 70 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22336KMB/W33C3 spherical roller bearing is engineered for heavy-load industrial applications that require high strength, enhanced thermal tolerance, and reliable performance under continuous shock and vibration. Featuring a tapered bore (K) design, this model allows secure mounting on adapter sleeves or tapered shafts, ensuring improved alignment and tighter fit under demanding conditions. The MB one-piece machined brass cage provides excellent rigidity and precise roller guidance, enabling stable operation in harsh, high-impact environments. The C3 internal clearance enhances heat expansion capability and smooth running at elevated temperatures, while the W33 lubrication groove ensures efficient grease flow and optimized cooling. This bearing is widely used in mining machinery, steel mills, cement production systems, paper mills, and other heavy-duty industries.
FAQ
Q1: What is the benefit of the tapered bore (K) design?
A1: It allows secure mounting on tapered shafts or adapter sleeves, offering better alignment and stronger fit under heavy loads.
Q2: Why is the MB machined brass cage important?
A2: It ensures excellent rigidity, stable roller guidance, and reliable durability in severe operating conditions.
Q3: How does the C3 internal clearance improve performance?
A3: It provides additional expansion room for temperature variation, ensuring smoother operation under heavy load and heat.
Q4: What does the W33 lubrication groove improve?
A4: It enhances lubricant circulation, cooling efficiency, and overall bearing service life.
