840 Pcs Stainless Steel Bearing Balls, 2/2.5/3/3.5/4/4.5/5/5.5/6/7/8/9/10mm | Metric Precision, Assorted Loose, For Bicycle/Bike

Superb Material. Steel ball bearings are made of high-strength, high-quality 304 stainless steel, offering a smooth surface, corrosion resistance, rust resistance, durability, and crack-free construction

Main Function. Stainless steel balls are rolling bearings used to carry loads, reduce friction, and position moving mechanical components, which are primarily installed between the inner and outer rings to reduce friction during bearing rotation and improve machine stability

Easy Storage. All stainless steel balls are stored in a sturdy storage box with compartments, which are stored individually for easy transport and easy location, reducing clutter during transportation and facilitating handling

Wide Applications. Used to reduce surface contact and friction on moving surfaces, suitable for sealed ball bearings, drawer slides, bicycles, casters, door locks, furniture, and many other applications

Package Includes. 840 pieces in 13 sizes (2/2.5/3/3.5/4/4.5/5/5.5/6/7/8/9/10 mm), providing ample quantity and a wide variety of sizes to meet a variety of application needs