Deep Groove Ball Bearing 6902 ZZ KYK JAPAN 15x28x7 Shielded

Main Description

The 6902 ZZ KYK JAPAN deep groove ball bearing 15x28x7 is a slim single-row bearing with metal shields, designed for compact applications requiring high rotational speed and stable performance.

Within the deep groove ball bearings 69xx series, the 6902 ZZ KYK stands out due to its thin-section design, allowing installation in space-limited assemblies. The ZZ metal shields protect the bearing from larger contaminants while maintaining low friction, making it suitable for higher speeds compared to sealed versions. This balance between protection and efficiency ensures long service life and reliable operation.

The 15x28x7 size is widely used in light-duty and precision systems where compact dimensions and smooth rotation are essential.

Construction and Design

The 6902 ZZ KYK bearing is engineered for high-speed and compact applications.

Key design features:

• single-row deep groove ball bearing
• slim thin-section design
• metal shields on both sides (ZZ)
• high-quality bearing steel for durability
• cage ensuring smooth and stable operation

The shielded design reduces contamination while maintaining low rolling resistance.

Industrial Applications

The 6902 ZZ KYK bearing is suitable for precision and lightweight systems.

Typical applications include:

• high-speed electric motors
• precision equipment
• light mechanical assemblies
• rollers and guides
• compact industrial devices

Its design ensures reliable performance in applications with limited space.

Technical Parameters

• type: deep groove ball bearing
• series: 69xx
• model: 6902 ZZ KYK JAPAN
• inner diameter: 15 mm
• outer diameter: 28 mm
• width: 7 mm
• shielding: metal shields on both sides (ZZ)
• material: bearing steel
• operating characteristics: high speed capability, compact design

Operational Advantages

The 6902 ZZ KYK bearing offers several benefits:

• compact and space-saving design
• high-speed performance
• lower friction compared to sealed bearings
• protection against larger contaminants
• stable and smooth operation

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

FAQ

What does ZZ mean in 6902 ZZ KYK?
It indicates metal shields on both sides of the bearing.

Is it suitable for high-speed applications?
Yes, it performs better at high speeds than sealed versions.

Does it protect against water?
No, shields mainly protect against dust and larger particles.

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

Where is this bearing typically used?
In motors, rollers, and precision equipment.