10 Pack Sealed Miniature Ball Bearings 3 Mm By 8 Mm By 3 Mm Chrome Steel High Strength Precision Bearings With Rubber Seals On Both Sides To Block Dust And Contaminants For Small Machinery And Hobby Projects

10-Pack 3x8x3 Sealed Ball Bearings for Mini Projects
✔️ 3x8x3 mm sealed, pre-lubricated chrome steel bearings, 10-pack

These compact sealed ball bearings are 3x8x3 mm, built from high-strength chrome steel for durability. They’re ideal for model cars, micro robots, RC gear, and tiny linear motion projects needing smooth rotation and protective seals.

✅ Size: ID 3 mm (0.118 in) / OD 8 mm (0.315 in) / width 3 mm (0.118 in)
✅ Material: chrome steel for durability and performance
✅ Seals: rubber seals on both sides protect from dust
✅ Lubrication: pre-lubed grease for smooth operation
✅ Pack: 10 bearings per pack, fits Tamiya
✅ Dynamic load: Cr 430 N; Static load: Cor 150 N
✅ Speed rating: grease-lubricated up to 63,000 RPM

💡 What is a sealed ball bearing used for in small hobby projects and toy model builds?

This handy bearing handles precise rotation while protecting against dust. - Ideal for tiny axles in RC cars and micro robots. - Sealed design reduces maintenance and keeps grit out. - Pre-lubed grease allows immediate use with no extra work.