6004LLUNR Double Sealed Single Row Radial Ball Bearing Built To Last With Rubber Seals And Snap Ring Heavy Duty Small Size Standard Footprint Low Friction Precision Bearing For Machinery Automotive And Industrial Projects

6004LLUNR Sealed Radial Ball Bearing with Rubber Seals
✔️ 20x42x12 mm bore/outer/width, double seals, snap ring

6004LLUNR is a compact, double sealed radial ball bearing designed for low friction and smooth rotation in tight spaces. It’s a standard size component widely used in machinery, automotive assemblies, and industrial equipment where reliable inline support and simple mounting are key. Pack: single bearing.

✅ d 20 mm, D 42 mm, B 12 mm (0.79 in, 1.65 in, 0.47 in)
✅ Seals: double rubber seals on both sides with snap ring for secure mounting
✅ Material: precision steel races for smooth, low-friction rotation
✅ Pack: single bearing; standard footprint for easy replacement
✅ Applications: suitable for machinery, automotive, and light industrial use

💡 What is a sealed radial ball bearing used for in small machinery?

These bearings are handy for keeping grease in and dirt out in compact setups.

• Sealed radial ball bearings are common in automated equipment, small motors, and conveyors where space is tight and reliability matters.
• They reduce maintenance by limiting grease leakage and protecting against contamination.
• They enable smooth, low-friction rotation under moderate loads and speeds.