6801DDU Bearing 12x21x5mm Sealed Ball Bearing

6801DDU Bearing - Sealed Ball Bearing
✔️ 12mm x 21mm x 5mm - Pre-Lubricated Chrome Steel

This 6801DDU Bearing is a deep groove ball bearing, sealed on both sides and built for smooth, high-speed action in compact spaces. With a 5mm width, it’s commonly used in RC wheels, motors, and other precision gear where keeping dust out and rotation clean really matters.

✅ 1 sealed ball bearing per pack
✅ Size: 12mm ID x 21mm OD x 5mm width
✅ Material: Chrome steel for strength and durability
✅ Sealed on both sides for cleaner performance
✅ Pre-lubricated with grease and ready to run
✅ Dynamic load rating: 1,920 N
✅ Static load rating: 1,040 N
✅ Grease speed limit: up to 20,000 RPM