The INA-FAG B7216ETP4SDBL is a high-performance super precision angular contact ball spindle bearing designed for demanding applications requiring high rotational accuracy and rigidity. This bearing features a 25° contact angle (E), a phenolic resin cage (T) for high-speed capability, and belongs to the P4S super precision class. It is supplied as a matched pair in a back-to-back (DBL) arrangement with light preload, providing excellent axial and radial stiffness. With a bore diameter of 80mm, an outer diameter of 140mm, and a total width of 52mm, it is suitable for machine tool spindles and other precision rotating equipment.