Model NO. :608 (it can option) 1.Bearing material:carbon,chrome,iron,ect 2.Type: 2RS ... ,long life,no noise2. ISO 9001:20003. Can be customized according to your needs4. Can provide small & miniature standard and non-standard ... bearings are the most representative and widely used bearing.It can accommodate axial loads in both directions, in addition to radial ...