Ningbo Kent Bearing Co., Ltd
                                                                                                           
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23 Years
Since 2003
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629 ZZ for compact instrumentation factory price

Price Negotiable
Price: Negotiable
MOQ: 1,000 pcs
Delivery Time: Negotiable
Brand: BUGAO
Product Description

The 629 ZZ is an ultra-compact, double-shielded (ZZ) deep groove ball bearing engineered for precision instrumentation, miniature motors, and compact electromechanical devices. With a 9×26×8 mm (ID×OD×W) size, this bearing delivers low-noise, high-speed performance in space-constrained applications.

Featuring ABEC-5 or higher precision grades, it ensures minimal runout and vibration for sensitive equipment. The dual metal shields (ZZ) provide superior contamination protection while maintaining lubrication integrity.


Technical Specifications & Dimensions

Parameter Specification
Model 629 ZZ
Type Deep Groove Ball Bearing
Inner Diameter (ID) 9 mm
Outer Diameter (OD) 26 mm
Width (W) 8 mm
Material Chrome Steel (GCr15) / Stainless Steel (SUS440C)
Shield Type Double Metal Shields (ZZ)
Clearance C0 (Normal), C2 (Reduced)
Precision Grade ABEC-3 (Standard), ABEC-5/7 (High Precision)
Dynamic Load 5.1 kN
Static Load 2.3 kN
Max Speed 18,000 RPM (Grease), 24,000 RPM (Oil)
Temperature Range -30°C to +150°C
Lubrication Premium Grease (ISO VG 10) / Dry Film (Optional)


Key Features

✔ Ultra-Compact Design – Ideal for miniature devices with space constraints.
✔ Low Noise & Vibration – Critical for optical, medical, and measurement tools.
✔ High-Speed Capable – Stable performance up to 24,000 RPM (oil-lubricated).
✔ Double Shielding (ZZ) – Enhanced protection against dust and debris.
✔ Corrosion-Resistant Options – Stainless steel (SUS440C) for harsh environments.


Typical Applications

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Ningbo Kent Bearing Co., Ltd
Location No.5, Tangchuangyuan, Yangshan Industrial Zone, Ditang Sub-district, Yuyao City, Ningbo City, Zhejiang Province
Contact Person Gary Hua

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