R156ZZS Miniature Shielded Bearing 3/16" x 5/16" x 1/8"inch round balls here are the dimensions of

here are the dimensions of the 7214CYP5

shell-type

bearing is rel ubrication groove with oil hole on set screw side

KBS30GW NB Double Wide Type:Slide Unit

Bearing outer diameter is 21mm and Bearing width is 14mm

R156ZZS Miniature Shielded Bearing 3/16" x 5/16" x 1/8"inch round balls here are the dimensions ofR156ZZS Shielded Ball Bearing 3 16" x 5 16" x 1 8" inch R156ZZS Shielded Ball Bearing, a standard bearing size commonly used in a variety of industrial and commercial applications, measures an inner diameter of 3 16" inch, outer diameter is 5 16" inch and the width is 1 8" 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. R156 ZZS Ball Bearing Deep Groove