304 Stainless Steel Bearing Balls Kit With 18 Sizes From 1mm To 12.5mm 390 Pcs Assorted Loose Ball Bearings In Plastic Case For Bike Parts And DIY Projects

390-Piece 18-Size 304 Stainless Bearing Balls Kit
✔️ 390-piece kit with 18 ball sizes (1-12.5 mm) in plastic case

This precision bearing ball kit contains 390 high-quality 304 stainless steel balls across 18 sizes (1mm to 12.5mm), neatly stored in a plastic box for easy size selection. It's handy for bike parts, DIY machinery, and sealed ball bearing assemblies.

✅ 390 pieces total in the kit
✅ 18 standard sizes from 1mm to 12.5mm
✅ 304 stainless steel for corrosion resistance
✅ Pre-greased surface for smoother operation
✅ Heat-treated for strength and low deformation under load
✅ Packaged in a labeled plastic case to prevent mixing
✅ 1mm - 55 pcs
✅ 2mm - 50 pcs
✅ 2.5mm - 40 pcs
✅ 3mm - 30 pcs
✅ 3.5mm - 30 pcs
✅ 4mm - 20 pcs
✅ 4.5mm - 20 pcs
✅ 5mm - 20 pcs
✅ 5.5mm - 20 pcs
✅ 6mm - 20 pcs
✅ 6.5mm - 20 pcs
✅ 7mm - 20 pcs
✅ 8mm - 10 pcs
✅ 9mm - 10 pcs
✅ 10mm - 10 pcs
✅ 11mm - 5 pcs
✅ 12mm - 5 pcs
✅ 12.5mm - 5 pcs

💡 What is a bearing ball kit used for in DIY projects and machinery maintenance?
This handy kit helps you replace worn balls in bearings and keep small machines running smoothly.
- 18 sizes from 1mm to 12.5mm cover common bearings
- Reduces friction and wear for longer bearing life
- Pre-greased stainless steel resists corrosion in humid environments
- Includes a labeled plastic case for quick size selection