Rubber Seal Ball Bearing 6004 2RS Deep Groove Radial Bearing 20x42x12 C3 Clearance Shielded Built For Quiet Spin And Workhorse DIY Projects That Delivers Smooth Performance

6004 2RS Shielded Deep Groove Ball Bearing 20x42x12 mm, 1pc
✔️ 20x42x12 mm bore, deep groove, C3 clearance, rubber seal, quiet spin

This sealed rubber-seal ball bearing is a 6004 2RS deep groove radial bearing designed for smooth, quiet rotation and long life. It's a common fit in DIY projects, small motors, 3D printers, hobby machinery, and light industrial setups where reliable performance matters.

✅ Bore: 20 mm
✅ Outer diameter: 42 mm
✅ Width: 12 mm
✅ 2RS rubber seals for dust/moisture protection
✅ C3 clearance for higher speed and load capacity

💡 What is a sealed ball bearing used for in handy machines and DIY projects?

A handy overview to help shoppers decide where it fits:

- Reduces friction and supports rotating shafts in small machines - Keeps dust and moisture out with rubber seals for longer life - Suitable for motors, printers, and various hobby gear