10-pack S61801-2RS stainless steel deep groove ball bearings sized 12x21x5mm, featuring double rubber seals and factory grease, built for high speed rotation, corrosion resistance, and smooth performance in RC cars, robotics, and industrial equipment

10 pack S61801-2RS stainless steel ball bearings 12 mm x 21 mm x 5 mm
✔️ Rubber sealed deep groove bearings for high speed use, 10 pieces

This is a 10 pack of stainless steel deep groove ball bearings used in RC cars, robotics, small motors, and light industrial equipment where corrosion resistance and smooth high RPM operation matter. Pack size is 10 bearings, supplied pre-lubed and ready to install.

✅ Pack size: 10 stainless steel ball bearings
✅ Bearing type: deep groove ball bearing
✅ Inner diameter: 12 mm
✅ Outer diameter: 21 mm
✅ Width: 5 mm
✅ Closure type: double rubber seals 2RS
✅ Material: stainless steel
✅ Pre-lubed with grease for long service life
✅ Marking: 6801RS
✅ Interchange reference: 6801-2RS1

💡 Why are rubber sealed stainless steel ball bearings a handy choice for high speed applications?
They balance protection, durability, and smooth rotation in demanding conditions.

• Stainless steel helps fight rust and corrosion in damp environments

• Rubber seals keep grease in while blocking dust and debris

• Deep groove design supports stable high RPM operation

• Common sizing makes them easy to swap into many compact machines

Smooth, clean, and built to last, this 10 pack is an easy win for keeping your projects rolling without constant replacements.