22348KMB/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 provides high rigidity, precise roller guidance, and strong durability
C3 internal clearance accommodates thermal expansion for smooth operation
W33 lubrication groove enhances cooling and lubricant distribution
Ideal for mining machinery, steel mills, cement plants, paper machinery, and other heavy-duty industrial applications
- Dimensions
Bore diameter 240 mm Outside diameter 500 mm Width 155 mm - Performance
Basic dynamic load rating 1730 kN Basic static load rating 3250 kN Grease Reference speed 500 r/min Oil Limiting speed 630 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 153 kg Roller material Chrome steel Ring Material Chrome steel Cage Brass
The JRZC 22348KMB/W33C3 spherical roller bearing is designed for heavy-load, high-impact, and continuous-duty industrial applications. Featuring the K tapered bore for secure mounting and the MB one-piece machined brass cage, this bearing provides high rigidity, excellent roller guidance, and reliable performance under severe conditions. The C3 internal clearance accommodates thermal expansion, ensuring smooth operation under heavy load and moderate temperatures. The W33 lubrication groove improves grease flow and cooling efficiency, extending service life in demanding industrial environments. This model is widely used in mining machinery, steel production lines, cement mills, paper mills, and other heavy-duty equipment requiring maximum reliability.
FAQ
Q1: What is the advantage of the K tapered bore?
A1: The K tapered bore allows for tight, secure mounting on tapered sleeves or shafts, improving operational stability and reducing slippage.
Q2: Why is the MB brass cage important?
A2: The MB one-piece machined brass cage delivers superior strength, precise roller guidance, and excellent durability under heavy loads and vibration.
Q3: How does the C3 internal clearance benefit performance?
A3: C3 provides extra internal space to accommodate thermal expansion, ensuring smooth operation under high-load and moderate-temperature conditions.
Q4: Which industries typically use the 22348KMB/W33C3?
A4: Mining machinery, steel production equipment, cement mills, paper mills, and other heavy-duty industrial systems.
