23280 CA/W33
High-efficiency impact crushers are mainly used in secondary and tertiary fine crushing processes, featuring high crushing performance, efficiency, and energy savings. JRZC designs CA-type spherical roller bearings specifically to support these crushers. JRZC uses high-purity vacuum-degassed bearing steel as raw material to ensure bearing quality from the very beginning. The use of Michelin salt bath heat treatment for the rings and rollers contributes to stable quality and performance. The hardness difference between the bearing rings and rollers is less than 1 HRC — a requirement that is 30% stricter than the GB/T 34891-2017 standard.
CA reinforced brass cage provides high strength and superior impact resistance
W33 lubrication groove improves cooling, lubrication flow, and wear reduction
Stable performance under heavy loads and continuous vibration
High durability suitable for harsh industrial environments
Ideal for mining, steel production, cement plants, and large gear mechanisms
| Bore diameter | 400 mm |
| Outside diameter | 720 mm |
| Width | 256 mm |
| Basic dynamic load rating | 6881 kN |
| Basic static load rating | 10400 kN |
| Grease Reference speed | 240 r/min |
| Oil Limiting speed | 335 r/min |
- Properties
Bore type Cylindrical For Load Direction Radial Number of rows Single row Radial internal clearance CN 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 450 kg Roller material Chrome steel Ring Material Chrome steel Cage Machined brass
The JRZC 23280 CA/W33 spherical roller bearing is designed for heavy-duty applications requiring high radial load capacity, strong shock resistance, and stable performance in demanding industrial environments. Built with a CA reinforced brass cage, this model offers excellent durability and mechanical strength, ensuring consistent operation under vibration and impact conditions. The W33 lubrication groove improves lubricant flow and heat dissipation, reducing friction and extending service life. It is widely used in mining machinery, steel mills, cement equipment, and large industrial gear systems.
FAQ
Q1: What is the benefit of the CA brass cage in this model?
A1: The CA cage offers high rigidity and shock-load resistance, making it ideal for heavy-duty applications.
Q2: How does the W33 lubrication groove help the 23280 CA/W33?
A2: It enhances lubricant circulation, improves cooling, and reduces friction, extending bearing lifespan.
Q3: Is this bearing suitable for continuous high-load operation?
A3: Yes, it is specifically engineered for consistent performance under heavy and continuous loads.
Q4: Which industries commonly use the 23280 CA/W33?
A4: It is widely used in mining equipment, steel mills, cement machinery, and large industrial gearboxes.
