P4 Precision SUS440 Mini Bearing for Dental Handpiece

Model SMR74TL | Size 4x7x2 mm | 200,000 rpm | -40°C ~ 150°C

Product Summary

The SMR74TL is a miniature bearing specifically engineered for dental handpiece applications. Made from SUS440 stainless steel, this bearing delivers P4 precision and supports speeds up to 200,000 rpm, ensuring reliable performance in critical medical instruments. Each unit is factory inspected 100% and offered with a minimum order quantity of 50 units.

Key Selling Points

• High-Speed Capability: Rated limiting speed of 200,000 rpm meets the demanding speed requirements of dental handpiece turbines.
• Corrosion-Resistant Material: Constructed from SUS440 stainless steel for enhanced durability and resistance to sterilization processes.
• Precision Grade P4: Achieves high dimensional accuracy and consistency, essential for smooth operation.
• Compact Design: With a size of 4x7x2 mm, it fits perfectly in space-constrained dental tool assemblies.
• Wide Temperature Range: Operates reliably from -40°C to 150°C, suitable for various clinical environments.
• 100% Factory Inspection: Each unit is individually inspected to ensure quality and performance.

Technical Specifications

Models and Options

Specifically, the SMR74TL is available as a single model. For customization options, please contact our sales team.

Materials and Structure

The bearing rings and balls are made of SUS440 stainless steel, offering excellent corrosion resistance and hardness suitable for high-speed and medical applications. The structural design follows standard miniature bearing format, ensuring compatibility with existing dental handpiece assemblies.

Applications

Primarily designed for dental handpiece bearings, this miniature bearing can also be suitable for micro-motors and other precision instruments requiring high speed and compact dimensions.

Customization

Customization options such as special lubrication, sealing mechanisms, or packaging can be discussed. Please reach out with your specific requirements.

FAQ

1. What is the minimum order quantity?

MOQ is 50 units.

2. What is the delivery method?

FOB delivery is available.

3. How do you ensure quality?

We perform 100% factory inspection on all bearings.

4. What are the payment terms?

Payment before shipment is required.

5. Can I get a sample for testing?

Please contact us to discuss sample availability.

6. What is the operating temperature range?

The bearing operates from -40°C to 150°C.

7. What material is used?

SUS440 stainless steel.

8. What precision grade is available?

Precision grade P4.

Inquiry Information

Company: Ningbo City Jingyin Electromechanical Technology Co., Ltd.

Contact: Wang Chaojiang

Email: yuhang001@126.com

Phone/WhatsApp: +86 18957446001