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

R12 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)
✅ Material: Si3N4 ceramic for all components (balls and races)
✅ Type: full complement bearing, no cage
✅ Quantity: 1 bearing
✅ Applications: precision machinery, lab gear, low friction drives

💡 What is a ceramic ball bearing used for in precision equipment? Ceramic bearings are chosen for high speed, clean environments, and long life. - High speed, low friction motion - Corrosion resistance in demanding settings - Lightweight silicon nitride reduces wear and inertia