Ten Pack Stainless Steel Sealed Miniature Ball Bearings 3x10x4 mm Rubber Sealed On Both Sides Ideal For Precision Machinery And Hobby Projects In RC Drones Robotics Small Appliances

These are compact stainless steel miniature ball bearings sized 3x10x4 mm, sealed on both sides and factory-greased. They’re ideal for precision projects, robotics, and small machinery where reliable rotation matters.

✅ Size: 3x10x4 mm
✅ Material: stainless steel
✅ Seals: double rubber shields
✅ Lubrication: pre-lubed with grease
✅ Pack: 10 bearings in a plastic tube
✅ Dynamic load rating Cr: 640 N
✅ Static load rating Cor: 230 N
✅ Max speed: up to 52,000 RPM

💡 What is a sealed stainless steel miniature bearing used for in small precision projects?
A handy, general-use answer for common tasks across hobby and light industrial gear.
- Supports tiny shafts with low friction in tight spaces
- Protects against dust and contamination with double rubber seals
- Stainless steel construction offers good corrosion resistance
- Great for compact robotics and micro machinery