6207-2RSNR Ball Bearing 35mm x 72mm x 17mm One Bearing 6207-2RSNR Ball Bearings with Snap Ring, the inner diameter is 35mm, outer diameter is 72mm and the width is 17mm, bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.