Das 698ZZ / 698-2RS miniature deep groove ball bearing is a widely used precision bearing designed for compact equipment requiring hohe Geschwindigkeit, geräuscharm, and long service life. Manufactured by NKMB, a professional bearing brand, the 698 series is known for stable performance, strict quality control, and excellent cost efficiency.
With a standard size of 8 × 19 × 6 Mm, the NKMB 698 bearing is ideal for small motors, electric tools, office equipment, and automation systems.

698ZZ / 698-2RS Bearing Basic Specifications
| Parameter | Value |
|---|---|
| Bearing Model | 698ZZ / 698-2RS |
| Bearing Type | Miniature Deep Groove Ball Bearing |
| Innendurchmesser (ID) | 8 Mm |
| Außendurchmesser (OD) | 19 Mm |
| Breite | 6 Mm |
| Brand | NKMB |
| Material | Bearing Steel (GCr15) / Optionaler Edelstahl |
| Cage | Steel Cage |
| Ball Material | Chromstahl |
Difference Between 698ZZ and 698-2RS
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698ZZ
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Doppelte Metallabschirmungen
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Lower friction, suitable for high-speed applications
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Best for clean or semi-clean environments
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698-2RS
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Double rubber seals
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Better dust and moisture protection
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Suitable for humid or dusty environments
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Präzisions-Sorten & Radial Clearance
NKMB 698 bearings are available in multiple precision and clearance options:
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Präzisions-Sorten:
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ABEC-1 (P0) – Standard
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ABEC-3 (Seite 6) – High precision
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ABEC-5 (P5) – Ultra precision (wahlfrei)
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Radial Clearance:
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CN (Normal)
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Nr. C3 (Higher clearance for high-speed or high-temperature use)
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Lärm & Vibration Performance
NKMB strictly controls noise and vibration levels during production:
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Low noise design suitable for quiet-running equipment
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Smooth rotation and stable performance
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Ideal for applications with strict vibration requirements such as small motors and fans
Geschwindigkeit & Tragfähigkeit (Typical)
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Höchstgeschwindigkeit:
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698ZZ: Higher speed capability
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698-2RS: Slightly lower due to seal friction
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Tragfähigkeit (reference):
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Dynamic Load: Suitable for light to medium loads
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Static Load: Stable under continuous operation
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(Exact values can be customized according to customer requirements.)
Operating Temperature Range
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Standard grease: -20°C to +120°C
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High-temperature grease (wahlfrei): up to 150°C
Service Life & Reliability
Thanks to high-quality raw materials, precision grinding, and strict inspection, NKMB 698ZZ / 698-2RS bearings provide:
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Long service life
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Reduced maintenance costs
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Consistent performance over extended operating cycles
Typical Applications of 698ZZ / 698-2RS Bearings
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Kleine Elektromotoren
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Elektrowerkzeuge
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Office equipment
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Cooling fans
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Medizinprodukte
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Robotics & automation systems
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Model motors and hobby equipment
Why Choose NKMB 698 Miniatur-Lager?
✔ Stable quality and strict inspection
✔ Low noise and low vibration
✔ Multiple sealing and clearance options
✔ Competitive pricing with factory supply
✔ Customization available for OEM & ODM
Schlussfolgerung
Das NKMB 698ZZ / 698-2RS miniature deep groove ball bearing is an excellent choice for applications demanding precision, Zuverlässigkeit, und Haltbarkeit in a compact size. Whether you need high-speed performance or superior sealing, NKMB provides the right bearing solution for your needs.
Contact NKMB today to get technical support, samples, or bulk pricing for 698ZZ / 698-2RS bearings.






