Full Complement Si3N4 Ceramic Bearing With Inner Diameter Three Quarters Inch Outer Diameter One And Five Eighths Inch And Width Seven Sixteenths Inch Made From Silicon Nitride Ceramic For High Precision Low Friction Performance 696ZZ Glass balls offer excellent corrosion

Glass balls offer excellent corrosion resistance and low rolling resistance

Made from high-strength silicon nitride ceramic

✅ Shielding: Double metal shields (ZZ) to keep out dust

It uses chrome steel races and rubber seals to protect internal parts from dust and moisture

61803-2RS Hybrid Ceramic Ball Bearing 17 mm x 26 mm x 5 mm

Full Complement Si3N4 Ceramic Bearing With Inner Diameter Three Quarters Inch Outer Diameter One And Five Eighths Inch And Width Seven Sixteenths Inch Made From Silicon Nitride Ceramic For High Precision Low Friction Performance 696ZZ Glass balls offer excellent corrosionR12 Full Ceramic Si3N4 Bearing 3 4 x 1 5 8 x 7 16 in Inner 3 4 in, outer 1 5 8 in, width 7 16 in; 1 pc ceramic R12 is a full complement silicon nitride ceramic bearing designed for precise motion in equipment where light weight, corrosion resistance, and low friction matter. Typical uses include lab instruments, precision drives, and small CNC guides. Inner diameter: 3 4 in (19. 05 mm); Outer diameter: 1 5 8 in (41. 28 mm); Width: 7 16 in (11. 11 mm)