NKMB 697ZZ / 697-2RS Miniature Deep Groove Ball Bearing 7×17×5mm

이 NKMB 697ZZ / 697-2RS miniature deep groove ball bearing is designed for applications that demand high precision, 저소음, and reliable performance in compact spaces. With a standard size of 7 × 17 × 5 밀리미터, this bearing is widely used in small motors, precision instruments, power tools, and automation equipment. As a professional bearing manufacturer, NKMB provides stable quality, strict dimensional control, and consistent performance for global markets.

1. NKMB 697ZZ / 697-2RS Bearing Specifications

2. Difference Between 697ZZ and 697-2RS

🔹 697ZZ (Metal Shielded)

• Low friction and high-speed capability

• Dust protection for clean or semi-clean environments

• Suitable for electric motors and precision devices

🔹 697-2RS (Rubber Sealed)

• Better sealing performance

• Resistant to moisture and light contamination

• Ideal for longer service life and harsh working conditions

3. 정밀, 소음 & Clearance

NKMB strictly controls roundness, raceway finish, and ball grade, ensuring smooth rotation and ultra-low vibration.

4. 적재 능력 & 속도

• Dynamic Load Rating(동적 부하 등급): Suitable for light to medium loads

• 정하중 등급: Stable under intermittent loads

• 최대 속도:

  • 697ZZ: Higher speed capability

  • 697-2알에스: Slightly lower due to rubber seals

(Exact values available upon request from NKMB technical support)

5. Operating Temperature & Service Life

• Operating Temperature Range:

  • Standard grease: -30°C to +120°C

• Service Life:

  • Long-lasting performance with proper installation and lubrication

  • 2RS version offers extended life in contaminated environments

6. Typical Applications of NKMB 697 Bearings

이 NKMB 697ZZ / 697-2RS bearings are widely used in:

• Miniature electric motors

• 전동 공구

• Office equipment

• 의료 기기

• Robotics & automation systems

• Hobby motors & RC models

• Precision instruments

7. Why Choose NKMB 697ZZ / 697-2RS Bearings?

✅ Stable quality and strict inspection
✅ Low noise and smooth rotation
✅ High consistency for mass production
✅ OEM & ODM support available
✅ Competitive pricing with factory supply

NKMB is committed to delivering reliable miniature bearing solutions for customers worldwide.

결론

이 NKMB 697ZZ / 697-2RS miniature deep groove ball bearing offers an excellent balance of precision, 내구성, and cost efficiency. Whether you need high-speed performance or enhanced sealing, NKMB provides the right solution for your application.

For technical support, bulk orders, or customized bearings, contact NKMB today.