... 2. low friction moment 3. delivery quick 4. OEM service Ball bearing:1. Main brand : German: FAG,INA . Sweden: SKF ... NTN,THK,IKO,NACHI2. Main types : deep groove ball bearing , self-aligning ball bearings, cylindrical rollerbearings, spherical roller bearing , tapered ... needle bearing , inserted bearing with housing3. Bearing name :Deep groove ball bearing4 .Brand : SKF. KOYO. FAG. TIMKEN. And so on ...