AXK 550PCS Loose Ball Bearings Assortment Kit, 11 Sizes (2mm-8mm) GCr15 Steel Precision Bicycle Bearing Balls, High Hardness Smooth Steel Balls for Bike Wheel, Motorcycle, Caster, Furniture Repair

Name : Ball Bearing Material : Chrome steel Color : Silver Size : as shown Quantity:550pcs Applications : automobiles, air conditioners, refrigerators etc. Package include: 80pcs—2mm 80pcs—2.5mm 50pcs—3mm 50pcs—3.5mm 50pcs—4mm 50pcs—4.5mm 50pcs—5mm 40pcs—5.5mm 40pcs—6mm 30pcs—7mm 30pcs—8mm 1pc PP Plastic Box Only the above package content, other products are not included.

• 【Complete Assortment Kit】This 550PCS loose ball bearings kit includes 11 most common sizes: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, with 30-80PCS per size to meet all your repair needs. The bearing balls are stored in a clear plastic box with labeled compartments for easy identification, organization and portability.
• 【Premium GCr15 Steel Material】Made of high-grade GCr15 steel with precision machining, these bicycle bearing balls feature high hardness, wear resistance, corrosion resistance and a smooth, burr-free surface. The high precision ensures low friction and long-lasting performance even under heavy use.
• 【Reduce Friction & Extend Service Life】These precision steel balls act as rolling elements between the inner and outer races of bearings, effectively reducing rotational friction, minimizing wear on components, and extending the service life of your equipment. Ideal for replacing worn or damaged balls in various bearing assemblies.
• 【Easy to Use & Practical】With standard sizes and smooth finish, these loose bearing balls are easy to install with no special tools required, making them a practical helper for both DIY enthusiasts and professional mechanics. The kit covers most common replacement scenarios, eliminating the hassle of buying single sizes separately.
• 【Wide Range of Applications】Versatile steel balls suitable for a wide range of uses, including bicycle wheel bearings, motorcycle bearings, casters, drawer slides, door locks, furniture parts, and other mechanical assemblies that require loose ball bearings for smooth rotation.