NKMB 696ZZ / 696-2RS Miniature Deep Groove Ball Bearings

The NKMB 696ZZ bearing is a high-precision miniature deep groove ball bearing designed for compact equipment requiring low noise, smooth rotation, and long service life. Available in both 696ZZ (double metal shield) and 696-2RS (double rubber seal) versions, this bearing is widely used in electric motors, automation equipment, and precision devices.

As a professional bearing manufacturer, NKMB supplies stable, reliable miniature bearings that meet global industrial standards.

696ZZ / 696-2RS Bearing Dimensions

The NKMB 696 series follows international standard dimensions:

• Bearing Model: 696ZZ / 696-2RS

• Inner Diameter (ID): 6 mm

• Outer Diameter (OD): 15 mm

• Width: 5 mm

• Bearing Type: Deep Groove Ball Bearing

• Brand: NKMB

Shield & Seal Types

• 696ZZ: Double metal shields – dust protection, high-speed capability

• 696-2RS: Double rubber seals – superior sealing, moisture resistance

Material and Construction

• Rings: High-quality bearing steel (GCr15 / 52100)

• Balls: Precision chrome steel balls

• Cage: Steel cage or nylon cage (optional)

This structure ensures excellent wear resistance and rotational stability.

Precision Grades

NKMB 696ZZ / 696-2RS bearings are available in multiple precision levels:

• ABEC-1 (P0): Standard industrial use

• ABEC-3 (P6): Low noise, high-speed applications

• ABEC-5 (P5): Precision instruments and advanced equipment

Internal Clearance Options

To meet different working conditions, NKMB offers:

• C0 (Standard clearance) – General applications

• C2 (Reduced clearance) – Low vibration and high precision

• C3 (Increased clearance) – High-speed or higher temperature use

Noise and Vibration Performance

Thanks to fine grinding raceways and strict ball selection, NKMB 696 bearings deliver:

• Low running noise

• Minimal vibration

• Smooth and stable rotation

This makes them ideal for quiet-running equipment.

Load Ratings and Speed Performance

• Dynamic Load Capacity: Suitable for light to medium radial loads

• Static Load Capacity: Stable under intermittent loads

Speed Capability

• 696ZZ: Higher maximum speed due to metal shields

• 696-2RS: Slightly lower speed but better sealing and longer grease life

Operating Temperature Range

Depending on lubrication type:

• Standard grease: −20°C to +120°C

• Special grease (optional): Up to +150°C

Service Life

With correct installation and lubrication, NKMB 696ZZ / 696-2RS bearings offer:

• Long fatigue life

• Consistent performance under continuous operation

• Reduced maintenance and replacement costs

Typical Applications

NKMB 696 miniature ball bearings are widely used in:

• Micro and small electric motors

• Power tools

• Automation and robotics

• Medical equipment

• Office equipment

• Precision instruments and hobby models

Why Choose NKMB 696ZZ Bearings?

• Professional miniature bearing manufacturer

• Stable quality and strict inspection

• Low noise, high precision, long lifespan

• OEM & customized solutions available

Conclusion

The NKMB 696ZZ and 696-2RS miniature deep groove ball bearings provide an excellent balance of compact size, precision, durability, and low noise. They are a reliable choice for a wide range of industrial and precision applications.

NKMB bearings – precision you can trust.