22330KMB/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 ensures secure mounting and improved operational stability
MB machined brass cage delivers excellent rigidity, roller stability, and durability
C3 internal clearance accommodates thermal expansion under heavy-load conditions
W33 lubrication groove enhances lubrication distribution and cooling efficiency
Ideal for mining, steel production, cement plants, paper mills, and other heavy-duty applications
- Dimensions
Bore diameter 150 mm Outside diameter 320 mm Width 108 mm - Performance
Basic dynamic load rating 1020 kN Basic static load rating 1740 kN Grease Reference speed 850 r/min Oil Limiting speed 1100 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 43 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22330KMB/W33C3 spherical roller bearing is engineered for demanding heavy-load applications that require high stability, excellent impact resistance, and long operational life. The K tapered bore ensures secure mounting and improved shaft compatibility, while the MB one-piece machined brass cage provides superior rigidity, precise roller guidance, and consistent performance under harsh industrial conditions. The C3 internal clearance offers additional thermal expansion capacity, ensuring smooth operation under elevated temperatures and continuous heavy-load environments. The W33 lubrication groove enhances grease flow, cooling efficiency, and long-term durability. This model is widely used in mining machinery, steel mills, cement equipment, paper mills, and other large industrial systems.
FAQ
Q1: What is the advantage of the K tapered bore?
A1: The K tapered bore allows tight, secure mounting on tapered sleeves or tapered shafts, reducing slippage and improving operational stability.
Q2: Why choose the MB brass cage?
A2: The MB one-piece machined brass cage offers high strength, precise roller guidance, and exceptional durability in harsh environments.
Q3: How does the C3 internal clearance help performance?
A3: C3 clearance accommodates thermal expansion, ensuring smooth and stable operation under heavy loads and increased temperatures.
Q4: Which industries typically use the 22330KMB/W33C3?
A4: This model is commonly used in mining machinery, steel mills, cement plants, paper machinery, and other heavy-duty industrial systems.
