604-2RS Ball Bearing 4x12x4mm - Miniature

604-2RS Sealed Deep Groove Ball Bearing
✔️ 4 x 12 x 4 mm, Chrome Steel with Rubber Seals

The 604-2RS is a compact deep groove ball bearing designed for smooth motion in tight spaces. It features double rubber seals for protection and comes pre-lubricated with grease, making it ready to drop into motors, tools, and small devices.

✅ Size: 4mm x 12mm x 4mm
✅ Rubber sealed on both sides to block dust and debris
✅ Made from chrome steel (52100 alloy)
✅ Pre-lubricated with grease for smooth operation
✅ Designed for radial loads in compact assemblies
✅ Sold as 1 bearing per pack

💡 Why use sealed miniature ball bearings in small machines?
They’re the perfect solution for smooth, protected motion in tight spaces.

• Rubber seals keep grease in and dirt out

• Ideal for electronics, motors, and RC projects

• Easy to install and maintain

• Delivers smooth spin even at high speeds

If you’re building or fixing something small that needs to move clean and quiet - grab this bearing and get rolling.