Carries radial loads and limited axial loads in both directions in a single row of balls running in deep raceway grooves. This FAG 6001-C-C4 unit comes from Generation C with a steel sheet metal cage, design JN, and bore type Z. Bore diameter is 12.0 mm, outside diameter 28.0 mm, width 8.0 mm, net mass 0.021 kg. Reference speed reaches 26000 1/min and limiting speed 42500 1/min. The radial internal clearance is C4 (Group 4), so the residual clearance after mounting stays larger than with normal clearance, which suits tight interference fits on the shaft or in the housing and operation with a temperature difference between the rings. The open design without seals or shields relies on lubricant supplied from the surrounding arrangement.