My company do business and as a exporter of bearing for many years, we can offer you many kinds of bearing, such as DEEP GROOVE BALL BEARING, SELF-ALIGNING BALL BEARINGS, PLANE THRUST BALL BEARINGS, TAPERED ROLLER BEAIRNGS, NEEDLE ROLLER BEARINGS, PILLOW BLOCK UNITS, AUTO BEARINGS, CYLINDRICAL ROLLER BEARINGS, SPHERICAL ROLLER BEARINGS and etc. the bearings is made of GCr15 high chrome steel (the USA AISI is E52100). if you interest it, please contact us.