Spherical Roller Bearings 222 Series 22280MB/W33 Basic Parameters
- Dimensions
-
- Bore Diameter(d) 400 mm
- Outer Diameter (D) 720 mm
- Width(B) 185 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 4400 kN
- Static Load Rating (Cor) 7400 kN
-
- Weight 337 kg
Pricing Information
Bearing prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.
Technical Parameters
- Product Type
- Spherical Roller Bearings 222 Series
- Dimensions
- 400mm × 720mm × 185mm
- Brand
- WJY / OEM Available
- Origin
- Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
- Precision Rating
- P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
- Cage
- Machined brass cage
- Material
-
- GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
- GCr15SiMn
- GCr18Mo
- G20Cr2Ni4A
- Clearance
- C3 (standard), customizable to C0/C2/C4/C5
- Lubrication
- W33 (Lubrication Groove and Three Holes)
- Quality Standard
- ISO 9001:2015 Certified
Technical Specifications & Performance Advantages
The 22280MB/W33 spherical roller bearing (ID: 400mm) is designed for heavy-duty applications in harsh environments, delivering:
Performance Advantages
- Extra-high radial & axial load capacity (Cr: 4400kN, Cor: 7400kN) for critical industrial machinery
- Self-aligning capabilities up to 3° to compensate for shaft misalignment
- Advanced alloy steel construction with enhanced fatigue resistance
- Optimized internal geometry reducing friction by up to 15%
- Special heat treatment process extending service life by 20%
Ideal Applications
- Large mining crushers and grinding mills handling abrasive materials
- Steel mill continuous casting machines operating at high temperatures
- Heavy-duty conveyors and hoists in material handling systems
- Wind turbine gearboxes requiring high reliability
- Port cranes and offshore material handling equipment
- Large industrial motors with demanding starting torque requirements
Our bearings are engineered to meet rigorous industrial standards, offering exceptional performance in extreme conditions. Contact our technical team for application-specific recommendations.