10-Pack 4x10x4mm Bearing - Stainless Steel Shielded Miniature

4x10x4mm Shielded Mini Bearings - 10 Pack
✨ Stainless Steel, Pre-Greased, Double Metal Shielded

This 10-pack of stainless steel ball bearings is built for compact, high-speed applications like fishing reels, RC parts, or small electric motors. Each bearing features double metal shields and comes pre-lubed with grease, so you’re ready to go right out of the box.

🟢 Size: 4mm ID x 10mm OD x 4mm wide
🟢 Material: Stainless steel
🟢 Shields: Double metal (ZZ) for dust protection
🟢 Lubrication: Pre-greased for smooth motion
🟢 Max speed (grease): 56,000 RPM
🟢 Dynamic load: 650 N
🟢 Static load: 230 N
🟢 Pack size: 10 bearings