R1810-2RS Bearing 5/16x1/2x5/32 inch PTFE SealedR1810 2RS Thin Rubber Seals Ball Bearing 5 16" x 1 2" x 5 32" inch One Ball Bearing R1810 2RS Thin Rubber Seals Ball Bearing, the inner diameter is 5 16" inch, outer diameter is 1 2" inch and the width is 5 32" inch. Item: R1810 2RS Ball Bearing Type: Deep Groove Ball Bearing Closures: 2 Rubber Seals Size: 5 16" x 1 2" x 5 32" inch Inner Diameter: 5 16" inch Outer Diameter: 1 2" inch Width: 5 32" inch Quantity: One Bearing