100個入り 7/8Inch バラ売りStainless Steel ベアリングボール 440CG25 高品質。精密機械、バルブアセンブリ、自動化プロジェクト、および一般機械工学に最適です。

100-Pack 7/8 inch 440C bearing balls for precision
✔️ Diameter 7/8 in (20.64 mm); 100 pcs; Grade 440C stainless

These loose stainless steel balls are precision-grade 440C, sized 7/8 inch (20.64 mm). Sold in a 100-pack, they’re ideal for bearing experiments, DIY projects, and reconditioning tools that use ball bearings.

✅ 7/8 in diameter (20.64 mm); stainless steel 440C
✅ Grade: G25
✅ Pack: 100 loose balls
✅ Finish: polished surface

💡 What is a common use for stainless steel bearing balls in hobby projects?

They’re handy for building simple custom bearings, dials, and check fixtures.

- In hobby CNC projects for smooth rotation - For DIY wheel bearings in small carts - In precision alignment setups for testing rigs - Used in experiments to measure friction and wear