629 ZZ Metal Shielded Ball Bearing
The 629 ZZ metal shielded ball bearing is engineered to deliver smooth rotation, low friction, and dependable performance in compact and medium-duty mechanical applications. Its double metal shield (ZZ) design protects the internal components from dust and solid contaminants while preserving internal lubrication, ensuring consistent and long-lasting operation.
Manufactured with precision-grade steel balls and hardened raceways, the 629 ZZ bearing offers stable rotational accuracy, reduced vibration, and quiet performance. The deep groove structure allows it to handle radial loads efficiently while accommodating light axial loads in both directions, making it suitable for electric motors, fans, pumps, and various industrial and household equipment.
Its maintenance-free design minimizes service needs and downtime, providing a reliable and cost-effective bearing solution for continuous or intermittent use.
Key Features and Benefits
Double Metal Shield (ZZ)
Protects against dust and solid particles while retaining lubrication.
Precision Steel Ball Construction
Ensures smooth, stable, and low-noise operation.
Factory Pre-Lubricated
Ready for installation without additional lubrication.
Deep Groove Bearing Design
Supports radial loads and light axial loads effectively.
Compact and Robust Structure
Ideal for motors and machinery with limited installation space.
Durable Bearing Steel
Provides high wear resistance and extended service life.
Technical Specifications
Bearing Type: Deep groove ball bearing
Model: 629 ZZ
Shield Type: Double metal shield (ZZ)
Inner Diameter: 9 mm
Outer Diameter: 26 mm
Width: 8 mm
Material: High-grade bearing steel
Lubrication: Factory pre-lubricated
Maintenance: Maintenance-free under normal operating conditions
Operating Speed: Suitable for high-speed applications
Application: Electric motors, fans, pumps, power tools, household appliances, industrial machinery, precision equipment
Advantages and Disadvantages
Advantages
Smooth and quiet operation
Effective protection against dust and debris
Long service life with minimal maintenance
Easy installation and wide application compatibility
Reliable performance in continuous operation
Disadvantages
Not suitable for environments with direct liquid exposure
Limited axial load capacity compared to angular contact bearings
Metal shields do not provide full sealing against moisture
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