Sealed Ball Bearing 40x52x7mm, Double Sealed Radial Deep Groove, Slim Section Chrome Steel, 6808UU Bearing for Precision Machinery, Dustproof Rubber Seals, High Durability and Low Friction, Long Life in Industrial Applications

Single 40x52x7mm Sealed Ball Bearing 6808UU
✔️ 40x52x7 mm, inner/outer dims, double seals, chrome steel, pre-lubed

6808UU sealed ball bearing is a slim-section, deep groove radial bearing designed for compact machinery. It’s commonly used in electric motors, automation guides, 3D printers, and hobby robotics where a low-profile form and dust protection matter.

✅ Inner diameter 40 mm, outer diameter 52 mm, width 7 mm
✅ Deep groove radial ball bearing with chrome steel cage
✅ Double rubber seals for dust protection, grease retained
✅ Chrome steel races and balls with pre-lubricated grease
✅ Dynamic load Cr 5950 N, static load Cor 4900 N; max speed 6700 RPM

💡 What is a sealed ball bearing used for in small machinery and how does its size matter?

In everyday setups, the bearing size governs fit and load handling.

- sealed bearing handy in compact motors, printers, and robotics
- bore 40 mm, outer 52 mm, width 7 mm; balance of strength and space
- chrome steel construction with grease lubrication for long life