Rubber Sealed 1/8"X12mmX5/32" inch Miniature BearingRubber Sealed Ball Bearing 1 8"X12mmX5 32" Rubber Sealed Ball Bearing, this is a special size that could be used in many applications, the inner diameter is 1 8" inch, outer diameter is 12mm and the width is 5 32" inch, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearing is pre lubricated with grease. Item: Rubber Sealed Ball Bearing Type: Deep Groove Ball Bearing Shields: 2 Rubber Seals