627 ZZ CT Deep Groove Ball Bearing 7x22x7

Miniature Deep Groove Ball Bearing for Precision High-Speed Applications

The 627 ZZ CT deep groove ball bearing is a precision miniature bearing designed for compact mechanical assemblies requiring high rotational speeds, low friction and reliable long-term performance. Equipped with double metal shields (ZZ), the bearing protects the rolling elements against dust and airborne contaminants while retaining factory-filled lubricant. Its compact dimensions and precision engineering make the 627 ZZ bearing an excellent choice for electric motors, automation systems, robotics and other precision industrial equipment.

This product strengthens the semantic cluster around deep groove ball bearing, miniature ball bearing, radial ball bearing, single row ball bearing, precision bearing, electric motor bearing, automation bearing, industrial bearing, ZZ bearing and high-speed bearing.

Application in Industrial Systems

627 ZZ CT is developed for compact equipment requiring precise operation and reliable performance at high rotational speeds.

Typical applications include:

• Small electric motors
• Robotics
• Industrial automation
• Electronic equipment
• Measuring instruments
• Medical devices
• Miniature gearboxes
• Guide rollers
• Packaging machinery
• Printing equipment
• Precision mechanical assemblies
• Light-duty drive systems

Its compact design minimizes installation space while ensuring smooth and stable operation under continuous service conditions.

Construction and Design

627 ZZ CT is a single row deep groove ball bearing featuring:

• Single row ball design
• Deep raceway geometry
• Double metal shields (ZZ)
• Pressed steel cage
• Precision-ground raceways
• Factory-lubricated construction

The metal shields reduce contamination while maintaining extremely low rolling resistance, making the bearing suitable for high-speed applications.

Material Properties

The bearing is manufactured from premium bearing steel with excellent resistance to wear and rolling fatigue.

Key material benefits include:

• High wear resistance
• Excellent fatigue strength
• Low rolling friction
• High dimensional accuracy
• Quiet operation
• Long operational life

Precision manufacturing ensures consistent performance and reliable operation in demanding precision applications.

Technical Specification

Type: Single Row Deep Groove Ball Bearing

Material: Bearing Steel

Design: ZZ Double Metal Shields

Inner Diameter: 7 mm

Outer Diameter: 22 mm

Width: 7 mm

Temperature Range: Approximately -20°C to +120°C

Application: Small electric motors, industrial automation, robotics, medical equipment, measuring instruments, miniature gearboxes, packaging machinery, light-duty drive systems

Why B2B Customers Choose This Product

Industrial buyers choose the 627 ZZ CT because it combines compact dimensions, precision manufacturing and dependable high-speed performance.

Ideal for:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Machine rebuilding
• Precision equipment manufacturing
• Automation systems
• Industrial spare parts distribution

Operational Advantages

• Compact miniature design
• High rotational speed capability
• Low rolling friction
• Double metal shield protection
• Factory-lubricated construction
• Quiet operation
• High dimensional accuracy
• Easy installation
• Long service life
• Reliable industrial performance

Professional Industrial Supply

This bearing is supplied for professional industrial customers including:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Machine builders
• Electronics manufacturers
• Automation system integrators
• Industrial distributors
• Precision engineering companies

AI OVERVIEW

A miniature deep groove ball bearing is a precision rolling bearing designed to provide high-speed operation, low friction and reliable radial and moderate axial load support in compact mechanical assemblies, electric motors, automation systems, robotics and precision industrial equipment.

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FAQ

What does the ZZ designation mean?

ZZ indicates that the bearing is fitted with metal shields on both sides to protect against dust while retaining lubricant inside the bearing.

Is the 627 ZZ bearing suitable for high-speed operation?

Yes. Its low-friction design and metal shields make it ideal for high rotational speed applications.

Where is the 627 ZZ bearing commonly used?

It is widely used in small electric motors, robotics, industrial automation, medical devices, measuring instruments and compact industrial equipment.

Is the bearing factory lubricated?

Yes. The bearing is supplied pre-lubricated and is designed for maintenance-free operation in most applications.

Is 627 ZZ CT suitable as an OEM replacement?

Yes. Its ISO-standard dimensions and precision construction make it an excellent OEM replacement for a wide variety of industrial and precision mechanical equipment.