Ningbo Kent Bearing Co., Ltd
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 30,000,000 pcs per year |
| Delivery Time | Negotiable |
| Packaging Details | Single Packing, Industrial/Tube Packing, Custom Packing |
| Oem Service | Customization welcomed |
| Tolerance Class | ABEC-1, ABEC-3, ABEC-5 |
| Size | Standard |
| Shape | Straight Cylinder/Flange/Open |
| Cage Type | Steel |
| Flange Shape | Square Trimmed Type Circular Ellipse |
| Clearance Of Bearing | C2, C0, C1, C3 |
| Sample | Available |
| Cage Material | Steel |
| Application | Electric Motors |
| Static Load Rating | 49kN |
| Material Of Bearing | Bearing Steel or Stainless Steel |
| Precision Of Bearing | P0, P6, P5, P4 |
| Samples | Available |
| Seal Type | Open |
| Brand Name | BUGAO |
| Model Number | 629 ZZ |
| Certification | ISO 9001:2015 |
| Place of Origin | Ningbo, China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 30,000,000 pcs per year |
| Delivery Time | Negotiable | Packaging Details | Single Packing, Industrial/Tube Packing, Custom Packing |
| Oem Service | Customization welcomed | Tolerance Class | ABEC-1, ABEC-3, ABEC-5 |
| Size | Standard | Shape | Straight Cylinder/Flange/Open |
| Cage Type | Steel | Flange Shape | Square Trimmed Type Circular Ellipse |
| Clearance Of Bearing | C2, C0, C1, C3 | Sample | Available |
| Cage Material | Steel | Application | Electric Motors |
| Static Load Rating | 49kN | Material Of Bearing | Bearing Steel or Stainless Steel |
| Precision Of Bearing | P0, P6, P5, P4 | Samples | Available |
| Seal Type | Open | Brand Name | BUGAO |
| Model Number | 629 ZZ | Certification | ISO 9001:2015 |
| Place of Origin | Ningbo, China | ||
| High Light | Agricultural Equipment Self-Aligning Spherical Bearing ，UC204 Self-Aligning Spherical Bearing ，49kN Self-Aligning Spherical Bearing | ||
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.
| 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) |
✔ 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.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Ecer Certification：
Verified Supplier
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003. We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings for electric motors, automobiles, household appliances, power tools, ... We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003. We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings for electric motors, automobiles, household appliances, power tools, ...
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