Product Description
SR144TLZN is a high-precision miniature bearing designed for dental medical equipment. It is suitable for high-speed rotation, low noise and high-load dental equipment. It uses special materials and processes to ensure excellent performance in humid, high-temperature sterilization environments.

Our advantages
SR144TLZN bearing is a high-precision miniature bearing designed for dental equipment. It has medical-grade corrosion resistance, ultra-high speed and long-lasting durability, and can maintain excellent performance even under repeated sterilization. Its low noise and vibration can improve patient comfort, while the pre-lubricated and sealed design reduces assembly costs. Customizable sizes and materials ensure seamless integration, meet ISO standards, and provide quality assurance for medical device manufacturers.
Features of SR144TLZN Miniature Dental Bearings
- Medical Grade Material: Made of high-quality 440C stainless steel with zinc (TLZN) coating, it has excellent corrosion resistance to saliva, blood and disinfectants.
- High-Speed Performance: Supports ultra-high speeds up to 400,000 RPM, ideal for dental handpieces and precision tools.
- Extended Service Life: Advanced lubrication system (medical-grade grease or dry film) extends bearing life and minimizes maintenance needs.
- Sealed Design: Optional rubber or metal shields prevent contamination while maintaining lubrication.
| Brand | WYOO |
| Cage and its materials | Torlon |
| Product Name | Dental bearing |
| Model Number | SR144TLZN |
| Size | 3.175x6.35x2.38mm |
| Single Gross Weight | 0.1 KG |
| Quality Standard | ISO |
| Delivery Date | Normally takes within 7 working days,special bearings need about 20 working days. |
| Rolling Body | StainlessSteel ball |
| Sealing Cap | Single-sided seal |
| Precision | ABEC7 |
| Material | Ceremic +440C |
Production Customization Process

SR144TLZN Dental Bearing Application