6813DDU Sealed Bearing 65x85x10mm sns40 this one’s a strong contender

this one’s a strong contender

Ball diameter: 5/8"

684 small Bearing outer diameter is 9mm and 684 Bearing width is 2

Metal Shielded

also 6021ZZ bearing is pre-lubricated with grease

6813DDU Sealed Bearing 65x85x10mm sns40 this one’s a strong contender6813DDU Sealed Ball Bearing 65mm x 85mm x 10mm One Bearing 6813DDU Bearing is double sealed, radial and deep groove ball bearing, bearing is made from Chrome Steel with chrome steel balls and steel cage, 6813DDU bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6813DDU bearing is sealed and self lubricated, the quality is set to EMQ (electric motor quality) to ensure high speed, 6813DDU bearing is