General description 6903-2RS Bearing ABEC-1 is a high-quality deep groove ball bearing designed for various applications. This thin section bearing features two seals for enhanced protection and is self-lubricated with grease, ensuring smooth operation and longevity. Technical specifications Type: Deep Groove Ball Bearing Size: 17x30x7 mm Closures: 2 Seals Lubrication: Self-Lubricated (Grease) Material: Bearing Steel Color: Silver Package Contents: 30 x Bearings Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.