1,OEM service offered. 2,buyer label offered 3,excellent quality and reasonable price 4,prompt delivery and good service. Tapered ... :roller bearings3. Cage(Retainer):Brass cage,nylon cage,steel cage4. Quality level:Reach the same level as Japanes and European bearings5 ... our products are same as your samples and your reques China high quality SRBF WYP spherial roller bearing