6811DDU Bearing 55x72x9 Sealed Outer Diameter - 2 9/16 inch (2.5625") bearing inner diameter is 1

bearing inner diameter is 1 1/2" inch dimensions with steel retainer

6317NR width is 41mm

6009NR Ball Bearing with a Snap Ring

FHSFD205-25mm Flange Light Duty 2 Bolt Unit Ball Bearings

Equal MRC Bearing Services 5208BKZZ

6811DDU Bearing 55x72x9 Sealed Outer Diameter - 2 9/16 inch (2.5625") bearing inner diameter is 16811DDU Sealed Ball Bearing 55mm x 72mm x 9mm 6811DDU is double sealed, radial and deep groove ball bearing, bearing is made from Chrome Steel with chrome steel balls and steel cage, 6811DDU bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6811DDU bearing is sealed and self lubricated,the quality is set to EMQ (electric motor quality) to ensure high speed, 6811DDU bearing is lubricated with grease.