30 Pack Full Ceramic 697-2RS ZrO2 Miniature Ball Bearings 7x17x5mm With PTFE Cage Sealed On Both Sides Ideal For Precision Machinery Miniature Robotic Applications Drones And Hobby Projects
✔️ 7x17x5mm, full ceramic ZrO2 bearings, 30 pcs, PTFE cage
This is a 30-pack of full ceramic miniature bearings, 697-2RS type, featuring zirconia balls and zirconia races with a PTFE cage. These sealed ball bearings deliver low friction, corrosion resistance, and stable performance in robotics, hobby CNC, and precision equipment where heat and contamination are concerns.
✅ Inner diameter 7 mm
✅ Outer diameter 17 mm
✅ Width 5 mm
✅ Ball material Zirconia ceramic (ZrO2)
✅ Cage material PTFE
✅ Seal type 2RS
✅ Pack size 30 bearings
💡 What is a full ceramic miniature bearing used for in precision machinery? These handy devices excel in tough environments where heat, corrosion, or cleanliness matter. - Handy for robotics, CNC hobby projects, and optical equipment - Low friction and high wear resistance from zirconia balls - Ceramic races resist corrosion and high temperatures - PTFE cages offer smooth rotation at tight tolerances