Sealed Ball Bearing 30mm Bore Diameter 42mm Outer Diameter 7mm Width Double Sealed Radial Deep Groove Chrome Steel Bearing With Rubber Seals For Dust Protection And Smooth Low Friction Performance

Single sealed 6806LU ball bearing with 30mm bore
✔️ 30x42x7 mm, chrome steel, double rubber sealed, greased

The 6806LU is a sealed radial deep groove ball bearing designed for compact, everyday machinery. It’s a common choice in conveyors, small motors, and DIY projects where dust protection and reliable rotation matter.

✅ 30 mm bore, 42 mm outer diameter, 7 mm width
✅ Chrome steel balls, steel cage
✅ Double rubber seals for dust protection
✅ Pre-lubricated with grease; ready to run

💡 What is a sealed ball bearing used for in general mechanical setups?

In everyday machines, these bearings provide smooth rotation while protecting against dust. Handy for a wide range of gear and hobby projects requiring reliable motion.

• Supports radial loads in compact shafts
• Reduces maintenance with built-in seals and grease
• Durable chrome steel construction stands up to daily use
• Common in automation, conveyors, and robotics