Spherical roller bearings is barrel-shaped rollers in two races that inner ring and outer ring whose race is spherical. 
    - Material: GCr15
- Cage: Steel/Cu
- Roller: steel
- Precision: P0, P6
- Vibration: Z1, Z2 
- Clearance: C0, C3, C5
- ID: 25-750mm
- Variations of structure: CC, CA, K, W33 
Application: Papermaking machinery, speed reducer, railway vehicle axle, gear box bearing, crusher, vibrating screen, printing machinery, woodworking machinery, all kinds of industrial reducer, vertical arrange ushering self-aligning bearing.