685ZZ Ball Bearing

The 685ZZ is a miniature deep groove ball bearing designed for compact, high-precision applications. It features double metal shields (ZZ) that protect the bearing from dust, dirt, and moisture while retaining lubricant for smooth operation. With an inner diameter of 5 mm, outer diameter of 11 mm, and width of 5 mm, the 685ZZ is ideal for use in electric motors, RC devices, 3D printers, robotics, and precision instruments. Made from high-grade chrome steel, this bearing is known for its durability, low friction, and high-speed performance. Specifications: Model: 685ZZ Type: Deep groove ball bearing Inner Diameter: 5 mm Outer Diameter: 11 mm Width: 5 mm Material: Chrome steel (GCr15 or equivalent) Shields: Double metal shields (ZZ) Features: Pre-lubricated for maintenance-free use High-speed and low-noise performance Corrosion-resistant and long service life