Shielded Miniature Ball Bearing 3x8x2.5 With Double Metal Shields ZZ Prelubricated 52100 Chrome Steel Precision Bearing For Small Machinery Robotics Hobby Projects High Durability And Smooth Operation

This compact shielded bearing is sized 3x8x2.5 mm and built for micro assemblies where space is at a premium. It’s a solid choice for hobby robotics, small gearboxes, and precision instruments.

✅ Inner diameter: 3 mm
✅ Outer diameter: 8 mm
✅ Width: 2.5 mm
✅ Material: 52100 chrome steel
✅ Shields: ZZ double metal shields
✅ Lubrication: Pre-lubricated with grease
✅ Quantity: 1 bearing

💡 What is a shielded miniature ball bearing used for in small mechanical assemblies and precision devices?
Shielded bearings keep dirt out, extend life, and provide reliable rotation in tight spaces.
- handy in precision hobby projects
- protects against dust in tight spaces
- supports smooth, low-friction rotation