1.2012 New spherical roller bearing
2.ISO 9001 :2008 Quality
3. chrome steel
2012 New spherical roller bearing
1.Certificate: ISO9000-2008
2. Material : GCr15,GCr15SiMn,G20Gr2Ni4A
3.High-end technology&top quality
4.Long service life.
5.CA series , Brass cage