NHBB's preloaded duplex bearings include back-to-back (DB), face-to-face (DF) and tandem (DT) types. Preload helps control an application's operating
available for the fixed end of spindles are usually 2 rows (DB), 3 rows (DBD), and combinations, since the preload distribution to each bearing is not equal, the
able in large precision spindle and turbine bearings as well as in Barden miniature . Inner ring abutting faces of DB duplex bearings are relieved. When they.
Usually, the cages for angular contact ball bearings with a contact angle . (DB). (Example). 7208 A DB. Radial loads and axial loads in both directions.