Amazon.com: Bearing Deep Groove Ball 10pcs/Lot Miniature Deep Groove Ball Bearing 625ZZ 5 * 16 * 5 mm 3D Printers Parts Ball Bearings 3D Printer Accessories : Industrial & Scientific
10-Pack] 6202-ZZ 5/8 - Deep Groove Radial Ball Bearing 0.625 in x 1.378 in