... 9001 2.High quality,low price Deep Groove Ball Bearing 6000 seriesProduct feature: Deep Groove Ball Bearings have a less frictional resistance ,high limiting speed,solid durable,high universality and low noise Deep groove ball bearing is typical ... aligning ball bearings, thurst ball bearings, spherical insert ball bearings and tapered roller bearings.We have various brands of bearings: NSK, FAG,SKF, ...