NKMB 699ZZ / 699-2RS Miniature Deep Groove Ball Bearing – High Precision & Low Noise

The NKMB 699ZZ / 699-2RS miniature deep groove ball bearing is a high-precision bearing designed for compact equipment requiring low noise, smooth rotation, and long service life. With its small size and reliable performance, the 699 series is widely used in electric motors, precision instruments, medical devices, and automation equipment.

NKMB bearings are manufactured under strict quality control standards, ensuring consistent performance and excellent durability for global markets.

699ZZ / 699-2RS Bearing Dimensions

Shielding & Sealing Types

• 699ZZ: Double metal shields

  • Low friction

  • Higher speed capability

  • Effective dust protection

• 699-2RS: Double rubber seals

  • Superior sealing performance

  • Moisture and grease retention

  • Suitable for harsher environments

Precision & Clearance

• Precision Grades:

  • ABEC-1 (P0) – standard

  • ABEC-3 (P6) – optional

  • ABEC-5 (P5) – high precision

• Radial Clearance Options:

  • C0 (standard clearance)

  • C3 (greater clearance for high speed or temperature)

Noise & Vibration Performance

NKMB 699 miniature bearings are designed with:

• Precision ground raceways

• Uniform ball geometry

• Optimized internal clearance

This ensures low vibration, stable rotation, and quiet operation, making them ideal for noise-sensitive applications such as small motors and medical equipment.

Material Options

• Bearing Steel (GCr15 / 52100) – standard high load capacity

• Stainless Steel (optional) – corrosion resistance for humid or clean environments

Cages are typically made of steel or nylon, depending on application requirements.

Speed & Temperature Range

• Maximum Speed:

  • ZZ type: higher speed capability

  • 2RS type: slightly reduced speed due to seals

• Operating Temperature:

  • Standard grease: -20°C to +120°C

  • High-temperature grease available upon request

Service Life & Reliability

Thanks to optimized heat treatment, precision assembly, and premium lubrication, NKMB 699ZZ / 699-2RS bearings provide long operational life, even under continuous operation and high rotational speeds.

Typical Applications

• Micro electric motors

• Power tools

• Medical and dental equipment

• Automation systems

• Robotics

• Office equipment

• Precision instruments

Why Choose NKMB 699 Miniature Bearings?

• Stable quality and consistent dimensions

• Low noise and smooth rotation

• Custom clearance, precision, and grease options

• Competitive pricing for bulk orders

• Professional export experience

NKMB – Your Reliable Miniature Bearing Manufacturer

NKMB specializes in the production of miniature and precision ball bearings, supplying customers worldwide with reliable solutions for demanding applications.

If you are looking for a high-quality 699ZZ or 699-2RS miniature bearing, NKMB is your trusted choice.

Contact NKMB today for datasheets, samples, or bulk quotations.