7mm By 22mm By 7mm Ceramic Sealed Ball Bearing With Si3N4 Silicon Nitride Ceramic Balls Double Sealed Radial Deep Groove Stainless Steel Cage High Durability And Low Friction For Precision Machinery And Hobby Projects

7mm Ceramic Sealed Ball Bearing - single unit
✔️ 7x22x7 mm, Si3N4 ceramic balls, stainless cage, RS seals

This compact radial ball bearing features a 7 mm bore and uses silicon nitride ceramic balls in a stainless steel cage, sealed on both sides with rubber seals to keep dust out. It’s designed for compact equipment and precision drives where dry lubrication or low friction is important.

✅ ID: 7 mm, OD: 22 mm, width: 7 mm
✅ Material: stainless steel bearing cage, Si3N4 ceramic balls
✅ Seals: double RS rubber seals for dust protection
✅ Lubrication: dry operation
✅ Packing: 1 bearing

💡 What is a sealed ceramic hybrid ball bearing used for in precision machinery?

This handy design keeps shafts aligned and protected in tight spaces. - Low friction with ceramic balls (Si3N4) for longer life - Double rubber seals guard against dust and contaminants - Ideal for compact conveyors, motors, and automation systems