Deep groove ball bearing 6996 1.OEM Serve 2.Quality: ISO9001-2008 3.Low vibration, low noise, high precision and durabilit Deep groove ball bearing 6996Deep Groove Ball bearing is very ... installed on one or both sides and are prelubricated with grease. Also, snap rings are sometimes used on ... , general machinery, industrial gearboxes, pumps, agricultural machinery, etc. Deep groove ball bearing 6996