620PCS 304 Stainless Steel Precision Balls,Bicycle Bearing Balls Assortment Kit,6 Sizes Steel Balls 1/4" 7/32" 3/16" 5/32" 1/8" 3/32",Precision Steel Ball F-086-620PCS

620-Piece 304 Stainless Steel Precision Balls Kit for Bicycle Bearings
✔️ 6 sizes, 620 pcs total; 100 pcs per size, 1/4 in to 3/32 in.

This 620-piece stainless steel bearing balls set provides six diameters for a wide range of maintenance, repair, and hobby projects. Ideal for bicycle bearings, casters, locks, drawer slides, and auto parts. Durable 304 stainless steel offers rust resistance and smooth finishes for long life.

✅ 620 pcs total, six sizes: 1/4 in (6.35 mm), 7/32 in (5.55 mm), 3/16 in (4.763 mm), 5/32 in (3.969 mm), 1/8 in (3.175 mm), 3/32 in (2.381 mm)
✅ Material: 304 stainless steel for rust resistance and wear resistance
✅ Precision: high-precision machining and smooth surface finish
✅ Packaging: 100 pcs per size for five sizes; 120 pcs for 3/32 in, total 620 pcs
✅ Applications: bicycles, casters, door locks, drawer slides, auto parts and repairs

Size (in)	Diameter (mm)	Diameter (in)
1/4	6.35	0.250
7/32	5.55	0.219
3/16	4.763	0.188
5/32	3.969	0.156
1/8	3.175	0.125
3/32	2.381	0.094

💡 What is a precision steel ball bearing used for in everyday mechanical assemblies?

They act as tiny rolling elements in bearings to reduce friction and wear.

- Used as rolling elements in lightweight bearings - Handy for bicycle bearings, casters, locks, and drawer slides - Stainless steel construction resists rust for long life - Machined to tight tolerances for smooth rotation