(1Pcs) For STRONG 210 102L 105L Carbon Brush Micromotor Handpiece Ball Bearing Kit Electric Nails Drill 1480 1260 940 830

Premium Bearing Steel Deep Groove Ball Bearings ABEC-9 Precision for Nail Drill
Experience ultra-high-speed, cool, and whisper-quiet grinding with our high-performance deep groove ball bearings designed for nail drill handpieces.

• ABEC-9 Ultra-High Precision
Precision-ground to ABEC-9 tolerance standards, delivering exceptional rotational accuracy,ultra-smooth operation, low noise, and minimal vibration for a comfortable, professional manicure experience.

• 50,000 RPM Ultra-High Speed, Low Heat
Engineered to sustain speeds up to 50,000 RPM while keeping heat buildup to a minimum,ensuring the handpiece stays cool, stable, and comfortable even during extended grinding sessions.

• Dust-Proof ZZ Shields with Pre-Greased Lubrication
Double metal shields on both sides seal out nail dust and debris, while factory-applied grease ensures smooth, quiet, maintenance-free rotation right out of the box.

• HRC 62–65 Hardened Steel, 800+ Working Hours
Crafted from premium bearing steel hardened to HRC 62–65 for outstanding wear resistance and durability, delivering an average service life of over 800 working hours and significantly
reducing replacement costs.

• Perfect Fit for Nail Drills & Popular Handles
Ideal for electric nail drills, nail file handpieces, and micro polishing motors; fully compatible with Strong Handle, Marathon Handle, Kupa, and more.