高速 400 000 rpm 低噪音不锈钢混合陶瓷球 SR144 牙科手机轴承

产品概述

High-Performance Dental Handpiece Bearings: Precision Engineered for Reliability

For dental handpiece manufacturers, repair technicians, and distributors, the bearing is the heart of the tool’s performance. Our specialized dental handpiece bearings are meticulously engineered to deliver the precise combination of ultra-high speed capability, minimal vibration, 和 extended operational life that modern dental practices require. Each component is produced under controlled, clean conditions to meet the rigorous standards of the medical device industry.

主要特点:

• High Precision
  * Dental bearings must maintain extremely tight tolerances to ensure precise positioning and operation of the dental bur at high speeds. The dimensional tolerances typically exceed the ABEC-7 standard for high-speed instrument bearings.
  * High precision in the surface finish and relative roundness of the inner and outer raceways ensures consistent high-speed performance throughout the life of the dental handpiece.

• High-Speed Capability
  * These bearings operate at extremely high speeds, typically reaching 350,000 到 450,000 revolutions per minute (RPM) under an air pressure of 200-250 千帕.

• Corrosion and Wear Resistance
  * The bearing races are usually made from special corrosion-resistant stainless steel, while the balls are often made from silicon nitride ceramic (氮化硅), which has a low coefficient of thermal expansion.
  * Silicon nitride ceramic balls offer high hardness, wear resistance, corrosion resistance, and self-lubricating properties, allowing them to operate effectively in environments with poor lubrication.
• Low Noise and Low Vibration
  * Compact integral dust cover designs and tighter tolerances help achieve lower bearing noise levels.
  * 轻的 design and 自润滑 features effectively reduce noise and vibration during operation, enhancing patient comfort.
• Heat Resistance
  * High-speed rotation and heavy loads can generate heat, so dental bur bearings are made from heat-resistant materials and designed with effective heat dissipation structures.

应用领域

• High-Speed Air Turbine Handpieces
  For cavity preparation, crown work, and removing old fillings.

• Low-Speed Electric & Air-Driven Handpieces
  For polishing, finishing, and prophylaxis.

• 手术手机
  Used in implantology and oral surgery, where torque and reliability are paramount.

• 牙髓手机
  For root canal procedures.