Breezliy 200Pcs 5.5mm Metric Precision 304 Stainless Steel Assorted Loose Bicycle Bearing Steel Ball Assortment Kit

[304 Stainless Steel Ball] :5.5mm，200pcs [Product function]: These bearing balls are installed between the inner ring and the outer ring to reduce friction when the bearing rotates. Will reduce the damage to the machine and extend the service life. [Performance] The surface is coated with a small amount of grease to improve lubrication and prevent corrosion and rust. It is suitable for humid environments. The heat treatment process makes the bearing ball very strong, not easily deformed for a long time and can withstand voltage. [High-quality material] It is made of high-quality chrome steel, high-precision machine, corrosion-resistant, high-precision, high-hardness, smooth and burr-free. [Wide application] Widely used in motorcycles, bicycles, casters, household furniture, door locks, drawer slides and many other applications.