Roller bearing covers a wide range with regard to radial load,They are intende exclusively as non-locating bearings ans as such they are excellent with their combination of self -aligning and axial displacement properties ,opening up completely new opportunities to save space,weight and production costs,BY deliberately dis[lacing the rings axially with respect to each other it is possible to accurately set the radial internal clearance in the bearing1-LOW noise and low vibration2-Long life3-High speed4-Quality can reach the same level as the Japanse and European bearingsQuality standared:ISO9000:2000 Standare we can produce different types of materical and size of roller bearing per customers'requirements.If you want to know more details about ,please feel free to contact me !