FastEddy Bearings are a high quality steel/chrome bearing with 2 Rubber Seals. Time has proven this bearing for exceptional performance and durability in the Hobby Industry including RC Cars, Boats, Robotics, Bicycles, many other uses. (10) 8x12x3.5 Rubber Sealed MR128-2RS Time has proven this bearing for exceptional performance and durability in the Hobby Industry including RC Cars, Boats, Robotics, Bicycles, many other uses. NOTE: PHOTOS ARE FOR IDENTIFICATION ONLYPhotos are for Seal / Shield / Bearing Style identification only and ARE NOT a photo of the exact bearing being ordered. Please reference the size.