... IKO Deep Groove Ball BearingsProduct feature: Deep Groove Ball Bearings have a less frictional resistance ,high limiting speed,solid durable, ... Due to the production technology used, open bearings can still have turned recesses on the outer ring for seals or shields. And ... bearings, spherical insert ball bearings and tapered roller bearings.We have various brands of bearings: NSK, FAG,SKF, NTN,TIMKEN ...