OB92 ZZX Miniature Shielded Bearing 5/16" x 1/2" x 5/32" Inner Diameter - 39.688mm 6910-2RS bearing has Rubber seals

6910-2RS bearing has Rubber seals to protect the bearing from dust or any possible contamination

23034EW33 Roller Bearing

FHLF205-14G Flange Light Duty 2 Bolt Unit Ball Bearings

6009UU is self lubricated bearings

OB92 ZZX Miniature Shielded Bearing 5/16" x 1/2" x 5/32" Inner Diameter - 39.688mm 6910-2RS bearing has Rubber sealsOB92ZZX Shielded Ball Bearing 5 16" x 1 2" x 5 32" OB92ZZX Shielded Ball Bearing, a standard bearing size commonly used in a variety of industrial and commercial applications, measures an inner diameter of 5 16" inch, outer diameter is 1 2" inch and the width is 5 32" inch, each Comes with double metal shields (ZZ) to keep out dust and dirt, plus its pre lubricated with grease so its ready to roll right away. OB92ZZX Ball Bearing Deep Groove Ball