624ZZ Ball Bearing
624ZZ Ball Bearing The 624ZZ is a miniature deep groove ball bearing with metal shields on both sides (ZZ) to protect against dust, dirt, and moisture. With a 4 mm inner diameter, 13 mm outer diameter, and 5 mm width, this bearing is compact, durable, and suitable for high-speed applications. Constructed from high-quality chrome steel, the 624ZZ offers smooth rotation, low friction, and long service life. It is pre-lubricated for maintenance-free operation and is widely used in 3D printers, small motors, RC models, robotics, and other precision instruments. Specifications: Model: 624ZZ Type: Deep groove ball bearing Inner Diameter: 4 mm Outer Diameter: 13 mm Width: 5 mm Material: Chrome steel (GCr15 or equivalent) Shields: Double metal shields (ZZ) Features: Pre-lubricated, high-speed capable, corrosion-resistant