... 3.Brand as customers' demand 4.Small order can be acceptable. 5.longer life Taper roller bearing Tapered roller bearings are generally ... condition bearing,2. bearing type:roller bearings3. Cage(Retainer):Brass cage,nylon cage,steel cage4. Quality level:Reach the same level as Japanes and ... 6200-62163)6300series:6300-63143.shield/closure;open bearing ,z,zz,RS,2RS,4.snap ring:N,NR5.Material:GCr15--china,( ...