This  bearing is a sealed ball bearing measuring 35x72x17. This single-row bearing is built to support radial loads and is made from chrome steel for durability and resistance to 35x72x17 Bearing deformity under heavy loads. This bearing has rubber seals on both sides to keep lubricant in and contaminants out.

Bearing 35mm x 72mm x 17mm 62 Sealed Ball Bearing, 6207RS bearing is made from Chrome Steel, 6207RS bearing is closed SKF h313 Bearing with Rubber seals to protect the bearing from dust or any possible contamination, bearing is self lubricated bearing (bearing is already greased.