The RSCI 20-130 series by Stieber is a Backstop clutch which comes with an inner race rotating. This tool is ideal for freewheeling. The bearing must be provided in an operation to ensure concentricity within inner and outer races. Also, it can serves as a support for axial and radial loads. For this specific unit, it accept all types of lubricants which is commonly used in a power transmission equipment. Plus, its just easy to use because it can be directly mounted in a gear boxes without needing a separate lubrication. It comes with a primary design of backstop and can be used a an overrunning clutch in a crawl drives. When used as a backstop, it is monitored the that speed will no t go below minimum.