Full Ceramic Ball Bearing Silicon Nitride 15x28x7 mm For Industrial And Precision Applications, Delivers Low Friction, High Durability, Corrosion Resistance, And Long Service Life, Suitable For Robotics, CNC, Automotive, And Automation Systems Model 6902

Si3N4 6902 Full Ceramic Bearing 15x28x7mm, single unit
✔️ Inner 15mm x outer 28mm x width 7mm ceramic bearing, Si3N4 races

This full ceramic bearing uses silicon nitride balls and Si3N4 races for exceptional wear resistance and high-speed performance. It's a solid choice for precision machinery, automation, robotics, and other demanding industrial setups where low friction and chemical resistance matter.

✅ Inner diameter 15 mm, outer diameter 28 mm, width 7 mm
✅ Material: Si3N4 ceramic balls and races, PTFE cage
✅ Cage: PTFE for smooth operation and low noise
✅ Type: sealed full ceramic bearing for lubrication-free use
✅ Quantity: 1 bearing (single unit)

💡 What is a ceramic bearing used for in precision machinery? Ceramic bearings are handy in high-speed, low-wear applications where temperature, corrosion resistance, and long life matter. For a wide range of equipment, from lab gear to robotics, they improve performance and reliability. - high RPM capability and reduced weight for fast-moving parts - ceramic Si3N4 elements resist corrosion and wear for longer life - low friction and heat generation help precision alignment - compatible with dry lubrication in clean environments