Premium Sr144zz 3.175*6.35*2.38mm Double Flanges Bearing P4 Grade Silver Ceramic Balls Bearing

Premium Sr144zz 3.175*6.35*2.38mm Double Flanges Bearing P4 Grade Silver Ceramic Balls Bearing. Ultra-High-Speed Performance: Supports speeds between 300,000-480,000 RPM for precise dental procedures. P4 Grade Precision: Conforms to P4 grade or ABEC-7 precision standards for superior accuracy. Long Service Lifespan: Offers an impressive service lifespan exceeding 8 months with minimal maintenance. Multiple Material Options: Crafted from AISI 440C stainless steel, Si3N4 ceramic, or stainless steel balls. Customizable Design: Available with single or double shields and various dimension options. Wide Compatibility: Effortlessly compatible with an array of high-speed dental handpiece brands. 6-Month Lifespan Warranty: Minimum 6 months of lifespan warranty with free replacement for defects.