Deep Groove Ball Bearing 629 ZZ KYK JAPAN 9x26x8 Shielded

Main Description

The 629 ZZ KYK JAPAN deep groove ball bearing 9x26x8 is a compact single-row bearing with metal shields, designed for small mechanical systems requiring reliable performance and high rotational speed.

Within the deep groove ball bearings 62xx series, the 629 ZZ KYK stands out due to its small dimensions combined with solid durability. The ZZ metal shields protect the internal components from larger contaminants while maintaining low friction, making the bearing suitable for higher speeds compared to sealed variants. This design ensures stable operation and long service life in compact assemblies.

The 9x26x8 size is commonly used in small devices and precision mechanisms where space efficiency and smooth rotation are critical.

Construction and Design

The 629 ZZ KYK bearing is engineered for compact and efficient operation.

Key design features:

• single-row deep groove ball bearing
• compact design for limited installation space
• metal shields on both sides (ZZ)
• high-quality bearing steel for durability
• cage ensuring smooth and stable rotation

The shielded construction balances protection and performance.

Industrial Applications

The 629 ZZ KYK bearing is widely used in small and precision systems.

Typical applications include:

• small electric motors
• power tools
• precision devices
• rollers and guides
• light industrial equipment

Its compact size makes it suitable for applications where space is restricted.

Technical Parameters

• type: deep groove ball bearing
• series: 62xx
• model: 629 ZZ KYK JAPAN
• inner diameter: 9 mm
• outer diameter: 26 mm
• width: 8 mm
• shielding: metal shields on both sides (ZZ)
• material: bearing steel
• operating characteristics: compact size, high-speed capability

Operational Advantages

The 629 ZZ KYK bearing offers several benefits:

• compact and lightweight design
• high-speed operation capability
• reduced friction compared to sealed bearings
• protection against dust and larger particles
• stable and reliable performance

This makes it a dependable solution for precision and compact applications.

FAQ

What does ZZ mean in 629 ZZ KYK?
It indicates metal shields on both sides.

Is it suitable for high-speed applications?
Yes, due to lower friction compared to sealed bearings.

Does it protect against moisture?
It provides limited protection, mainly against dust.

Does it require lubrication?
No, it is pre-lubricated.

Where is this bearing typically used?
In motors, tools, and precision mechanisms.