This deep groove ball bearing carries radial and moderate axial loads through a single row of balls running in deep grooved raceways. It has a bore diameter of 55.0 mm, an outside diameter of 120.0 mm, and a width of 29.0 mm, with a net mass of 1.297 kg. The bearing is fitted with a steel sheet metal cage (JN) and belongs to Generation C design. Limiting speed is 8500 1/min, with a reference speed of 7800 1/min. The C3 radial internal clearance provides a larger-than-normal internal clearance, compensating for thermal expansion during operation and allowing for interference fit mounting. This construction suits applications requiring reliable running at the stated speed range with standard lubrication and no integrated sealing, so external sealing and relubrication arrangements must be provided by the surrounding assembly.