6004-2RSN Sealed Grooved Deep Groove Ball Bearing 20mm Bore, 42mm Outer Diameter, 12mm Width, Dual Rubber Seals For Dust Protection And Contaminant Shield, Pre Lubricated For Smooth, Quiet Operation, Ideal For Motors Pulleys And Light Machinery

Sealed grooved ball bearing 6004-2RSN 20x42x12mm

✔️ 20x42x12 mm, 1 bearing, 2 seals, grease pre-lubricated

This compact sealed ball bearing is built for compact machinery and assemblies where space is tight. It's commonly used in small gearboxes, hobby robotics, RC vehicles, and linear slides to ensure smooth rotation while protecting against dust.

✅ Sealed deep groove design supports radial loads
✅ Bore 20 mm, outer 42 mm, width 12 mm
✅ Two rubber seals shield against dust and contaminants
✅ Pre-lubricated with grease, ready to install
✅ Cr 9400 N; Cor 5050 N; max speed 10000 RPM

💡 What is a sealed grooved ball bearing used for in compact machinery?

In compact setups, these bearings help spins smoothly while protecting internals.

- handy in small gearboxes and linear guides for smooth motion
- shields radial loads with low friction and long life
- compatible with grease lubrication for easy maintenance
- ideal for hobby robotics and compact automation projects