Deep groove ball bearings are very widely used. A deep groove is formed on each inner and outer ring of the bearing enabling them to sustain radial and axial loads in either direction as well as well as the complex loads which result from the combination NTN Deep Groove Radial Ball Bearing, Round Bore Standard Small, Series: 88000, 26 mm Bore, 52 mm OD, 1 Rows, 16.749 mm Width, Double Seal Closure, 14000 N Load, High Carbon Chrome Steel Bearing, Nitrile Rubber Seal, Pressed Steel Cage, 8900 RPM Grease Max