30BD5220 Bearing - Sealed Bearing 30x52x20mm30BD5220 Bearing Double Row Ball Bearing 30mm x 52mm x 20mm Sealed for Cleaner Operation The 30BD5220 Bearing is a double row deep groove ball bearing built to handle heavier radial and axial loads than a standard single row bearing. With seals on both sides, it's ideal for automotive components, HVAC units, and machinery that needs extra strength in a compact space. 1 sealed double row bearing per pack Size: 30mm ID x 52mm OD x 20mm width Double row