Need a small, reliable bearing for a project? This 624-2Z radial ball bearing from VXB is a common and useful size. It's brand new, unused, and comes in original packaging (retail or manufacturer style). The specs are: Bore (inner diameter) of 4mm, Outer Diameter of 13mm, and a Width of 5mm. The \2Z\ means it has metal shields on both sides to keep dirt out and grease in, without the drag of contact seals. Model/Pack# is 624-2Z, MPN same, no UPC. VXB is a known brand in the bearing world. This size is used in everything from small motors, skateboards, fishing reels, to 3D printers and robotics. Double shielding makes it good for environments with dust or debris. Whether you're repairing a gadget or building something new, having a few of these on hand is always smart. A versatile, miniature bearing that's essential for any maker's or repair person's parts bin.