INA Roller Bearing 1228-F-552: 1. Our spherical roller bearing with same quality as our sample. 2. Various types are available 3. Competitive price 4. Our spherical roller bearing with ow cross section. Noise and long life 5. High Precision and load capacity. 6. Our spherical roller bearing have trong abrasion capability 7. High Rotation Speed 8. Reliable quality 9. Our company insist on honest & faithful principle 10. Our spherical roller bearing with high rotation speed 11. Various design and Widespread use. 12. Delivery: Prompt, try our best to delivery 13. We have SGS CERTIFICATION 14. OEM & ODM is accepted.