Koyo EE4S ZZ Miniature Ball Bearing One Half Inch Bore One And One Eighth Inch Outer Diameter Non Contact Double Shielded Steel Cage One Row 5.1 kN Dynamic Load 15600 RPM Beefed Up For Precision High Speed Machinery

Koyo EE4S ZZ 1/2 in Bore Ball Bearing, Single
✔️ 1/2 in bore, 1-1/8 in OD, steel cage, non-contact shields

The Koyo EE4S ZZ miniature bearing is a compact, sealed option built for precise, high-speed rotation in tight spaces. It’s a great fit for CNC modules, robotics joints, and compact linear slide units where smooth motion and accurate positioning matter.

✅ Bore 1/2 in (12.7 mm)
✅ Outer diameter 1-1/8 in (28.58 mm)
✅ Width 5/16 in (7.94 mm)
✅ Dynamic load capacity 5.1 kN
✅ Maximum speed 15600 rpm
✅ Closure: Non-contact double shielded
✅ Cage: Steel

💡 What is a small sealed ball bearing used for in precision equipment? This setup is handy for keeping shafts aligned with minimal play in tight spaces.

- Handy for compact machinery such as robotics and 3D printers. - Low friction and high RPM support for precise motion. - Shielding keeps dust out and extends bearing life. - Pair with the correct bore and housing for reliable performance.