Ningbo Kent Bearing Co., Ltd
| Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 30,000,000 pcs per year |
| Delivery Time | Negotiable |
| Packaging Details | Single Packing, Industrial/Tube Packing, Custom Packing |
| Size | Standard |
| Oem Service | Customization Welcomed |
| Bearing Type | Single Row Deep Groove Ball Bearing |
| Application | Electric Motors |
| Tolerance Class | ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Clearance Of Bearing | C2, C0, C1, C3 |
| Vibration Level | Low |
| Row Number | Single |
| Transport | by Land or Sea or Air |
| Load Capacity | High |
| Inner Diameter | 100mm |
| Cage Material | Steel |
| Brand Name | BUGAO |
| Model Number | UC205 |
| 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 | Supply Ability | 30,000,000 pcs per year |
| Delivery Time | Negotiable | Packaging Details | Single Packing, Industrial/Tube Packing, Custom Packing |
| Size | Standard | Oem Service | Customization Welcomed |
| Bearing Type | Single Row Deep Groove Ball Bearing | Application | Electric Motors |
| Tolerance Class | ABEC-1, ABEC-3, ABEC-5, ABEC-7 | Clearance Of Bearing | C2, C0, C1, C3 |
| Vibration Level | Low | Row Number | Single |
| Transport | by Land or Sea or Air | Load Capacity | High |
| Inner Diameter | 100mm | Cage Material | Steel |
| Brand Name | BUGAO | Model Number | UC205 |
| Certification | ISO 9001:2015 | Place of Origin | Ningbo, China |
| High Light | UC205 Spherical Bearing ，Mechanical Equipment Spherical Bearing ，OEM Service Spherical Bearing | ||
The 627 ZZ is a high-performance, double-shielded deep groove ball bearing specifically engineered for fan motor applications. With optimized 7×22×7 mm (ID×OD×W) dimensions, this bearing delivers ultra-long service life (50,000+ hours) under continuous operation in HVAC systems, cooling fans, and industrial blowers.
Featuring dual metal shields (ZZ) for superior dust protection and ABEC-3 precision, it ensures low vibration and quiet operation – critical for noise-sensitive environments. The high-grade chrome steel construction with special C3 internal clearance accommodates thermal expansion in high-temperature fan applications.
| Parameter | Specification |
|---|---|
| Model | 627 ZZ |
| Type | Deep Groove Ball Bearing |
| Inner Diameter (ID) | 7 mm |
| Outer Diameter (OD) | 22 mm |
| Width (W) | 7 mm |
| Material | Chrome Steel (GCr15) / Optional Stainless Steel |
| Shield Type | Double Metal Shields (ZZ) |
| Clearance | C3 (Increased for thermal expansion) |
| Precision Grade | ABEC-3 |
| Dynamic Load | 3.8 kN |
| Static Load | 1.8 kN |
| Max Speed | 18,000 RPM (Grease), 25,000 RPM (Oil) |
| Temperature Range | -30°C to +150°C |
| Lubrication | High-Temp Grease (Standard) / Synthetic Oil (Optional) |
| L10 Life Rating | 50,000+ hours @ 3,000 RPM |
✔ Extended Service Life – 50,000+ hour L10 rating at typical fan speeds
✔ Thermal Optimized – C3 clearance prevents binding in heat cycling
✔ Dual Protection – ZZ shields block dust while retaining lubrication
✔ Quiet Operation – Precision-ground races reduce vibration (tested <20 dB)
✔ Versatile Mounting – Fits standard 40mm-120mm fan motors
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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