R144 Dental Handpiece Ceramic Ball Bearing 50000 RPM with 3.175mm ID and 6.35mm OD Dimensions

Zirconia ceramic bearings offer exceptional performance characteristics including anti-magnetic insulation, wear resistance, corrosion resistance, oil-free self-lubrication, and high temperature/cold resistance. These bearings maintain dimensional stability within temperature ranges of 100℃ to 600℃ and perform reliably in harsh environments including strong acids, strong alkalis, inorganic/organic salts, and seawater.

Silicon nitride ceramic bearings provide diamagnetic electrical insulation, superior wear and corrosion resistance, self-lubrication, and exceptional high-temperature performance. Suitable for more severe working conditions and higher ambient temperatures (100℃ to 800℃), these bearings offer high-speed capability and precision accuracy for demanding applications.

Hybrid ceramic ball bearings combine chrome steel or stainless steel rings with ceramic balls (ZrO2, Si3N4, or SiC). This configuration delivers low density, high hardness, low friction coefficient, anti-magnetic properties, wear resistance, and excellent rigidity. Hybrid bearings typically achieve 1.5x higher speeds and 2-3x longer service life compared to standard steel bearings.

• 24-hour response time for customer inquiries
• Strict quality control throughout production process
• Random inspection before every delivery
• Responsible handling of any issues during business operations