61902-2RS Ceramic Ball Bearing 15x28x7mm Si3N4 with Dual Rubber Seals Pre Lubricated ABEC-3 Stainless Steel Races Sealed High-Precision Bearing for Motors Robotics and Precision Machinery

Ceramic Sealed 15x28x7mm ABEC-3 Bearing for Precision
✔️ Si3N4 ceramic balls, dual seals, pre-lubed, 15x28x7 mm, 1-bear

This deep groove radial bearing blends stainless steel races with Si3N4 ceramic balls to deliver smooth, low-friction performance in motors, robotics, and precision machinery. Its dual rubber seals guard against dust and moisture, while pre-lubrication means immediate use.

✅ Inner diameter: 15 mm
✅ Outer diameter: 28 mm
✅ Width: 7 mm
✅ Ball material: Si3N4 ceramic
✅ Seal type: dual rubber seals, pre-lubed

💡 What is a ceramic ball bearing used for in precision machinery? Ceramic bearings are handy in high-speed, precision applications, delivering smooth motion and long life. - low friction and cooler operation at high speeds - resistance to corrosion and wear in dusty or damp environments - easy drop-in replacement in common housings with ceramic balls