Single row deep groove ball bearings are the most widely used roller bearing type in the world due to their versatility and overall performance. They are characterized by having deep raceway grooves in which the inner and outer rings have circular arcs of
T bolt, also referred to as a T-Bolt,T head Bolt,t slot bolt, is used in a machine's slot for holding,such as machine tool tables, rails and panels. There are a lot of DIN standards for the T bolt.