22328KMB/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 positioning
• MB machined brass cage provides high rigidity and excellent roller stability
• C3 internal clearance supports reliable operation under variable loads and temperatures
• W33 lubrication groove improves lubrication flow and cooling performance
• Suitable for mining, conveying systems, crushers, steel mills, and heavy industrial equipment
- Dimensions
Bore diameter 140 mm Outside diameter 300 mm Width 102 mm - Performance
Basic dynamic load rating 825 kN Basic static load rating 1340 kN Grease Reference speed 900 r/min Oil Limiting speed 1200 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 36 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22328KMB/W33C3 spherical roller bearing is designed for heavy-load industrial applications requiring reliable performance, self-aligning capability, and stable operation under harsh working conditions. This bearing features a K tapered bore for easy mounting and precise shaft fitting, combined with an MB one-piece machined brass cage that delivers high strength, excellent roller guidance, and resistance to shock and vibration. The C3 internal clearance supports moderate thermal expansion during operation, while the W33 lubrication groove ensures efficient grease distribution and improved cooling. It is widely used in mining equipment, conveyors, crushers, steel plants, and other heavy-duty industrial machinery.
FAQ
Q1: What is the benefit of the K tapered bore design?
A1: The K tapered bore allows easier installation using adapter or withdrawal sleeves and ensures accurate shaft alignment.
Q2: Why is the MB brass cage important for this bearing?
A2: The MB one-piece machined brass cage offers superior strength, precise roller guidance, and reliable performance under shock and vibration.
Q3: What role does the C3 internal clearance play?
A3: C3 clearance provides additional internal space to accommodate thermal expansion and variable operating conditions.
Q4: In which applications is the 22328KMB/W33C3 commonly used?
A4: It is commonly applied in mining machinery, conveyors, crushers, steel plants, and other heavy-duty industrial systems.
