Deep groove ball bearing 6252-M-N1-C3 carries radial load on a single row of balls guided by a solid brass cage. Bore diameter is 260.0 mm, outside diameter 480.0 mm, width 80.0 mm, mass 67.8 kg. The ring carries a holding groove (N1), limiting speed reaches 2370.0 1/min and reference speed 1820.0 1/min. Internal clearance is set to C3 (Group 3), giving extra play to accommodate thermal expansion and shaft deflection under load. The solid brass cage (M) provides stable ball guidance at the higher end of the speed range, while the design remains open, so lubrication and sealing must be provided externally. The holding groove allows axial fixation with a retaining ring, suiting applications where the bearing must be located reliably along the shaft without additional shoulders.