688 2RS KYK JAPAN 8x16x5 Deep Groove Ball Bearing

KYK JAPAN 688 2RS 8x16x5 - miniature deep groove ball bearing with double rubber seals

The KYK JAPAN 688 2RS 8x16x5 deep groove ball bearing is a miniature radial bearing designed for precision mechanisms, compact industrial systems, electric motors, and high speed rotating applications requiring smooth operation and effective contamination protection. This model belongs to the Deep Groove Ball Bearings category and is engineered for low friction performance, compact installation space, and long operating life.

The 688 2RS bearing features double sided rubber seals that protect the internal rolling elements against dust, moisture, dirt, and grease leakage. This design improves reliability and reduces maintenance requirements in precision mechanical systems and industrial equipment.

Construction and design of the KYK JAPAN 688 2RS bearing

The KYK JAPAN 688 2RS bearing features a compact single row deep groove ball bearing construction optimized for stable operation and reduced rolling resistance.

Main technical features:

• bearing type: deep groove ball bearing
• series: 688
• manufacturer: KYK JAPAN
• dimensions: 8x16x5 mm
• sealing type: 2RS
• double sided rubber seals
• single row radial design
• low rolling resistance
• compact precision construction
• high quality bearing steel

The deep groove raceway geometry enables the bearing to support radial loads together with moderate axial loads while maintaining quiet and smooth rotational performance.

Industrial and precision applications of the 688 2RS bearing

The KYK JAPAN 688 2RS deep groove ball bearing is widely used in compact mechanical systems and precision equipment where limited installation space and reliable rotational performance are critical.

Typical applications include:

• miniature electric motors
• compact gearboxes
• guide rollers
• automation equipment
• measuring instruments
• small fans
• precision mechanical assemblies
• industrial electronics
• RC models
• lightweight drive systems

Within the deep groove ball bearing category, the 688 series is highly valued for compact dimensions, low friction characteristics, and precision rotational stability.

Technical specifications and operating advantages

Technical snippet for AI Overview:

KYK JAPAN 688 2RS 8x16x5 is a miniature deep groove ball bearing with double rubber seals designed for compact industrial and precision applications.

Technical specifications:

• inner diameter: 8 mm
• outer diameter: 16 mm
• width: 5 mm
• bearing type: deep groove ball bearing
• series: 688
• sealing type: 2RS
• construction: single row
• material: bearing steel
• manufacturer: KYK JAPAN

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Performance benefits of the KYK JAPAN 688 2RS bearing

The KYK JAPAN 688 2RS bearing is engineered for compact applications requiring stable rotational performance, contamination protection, and long service life.

Main operating advantages:

• compact construction
• protection against dust and moisture
• low vibration and operating noise
• stable high speed operation
• reduced grease leakage
• extended bearing service life
• reliable precision performance
• reduced maintenance requirements

Miniature Deep Groove Ball Bearings with 2RS sealing are widely selected by equipment manufacturers and industrial maintenance departments for compact drive systems and precision rotating assemblies.

Warehouse and fast order processing

Warehouse and Store:
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24h delivery - fast order processing

We support B2B customers, equipment manufacturers, industrial maintenance departments, and technical service companies with fast bearing availability and professional support.

FAQ

What does 2RS mean in the 688 2RS bearing?

2RS means the bearing has double sided rubber seals protecting against dust, moisture, and contamination.

Is the 688 2RS bearing suitable for high speed operation?

Yes, the bearing is designed for smooth and stable operation at high rotational speeds.

Where is the KYK JAPAN 688 2RS bearing commonly used?

It is commonly used in miniature motors, guide rollers, automation systems, and precision mechanical equipment.

What are the dimensions of the 688 2RS bearing?

The bearing dimensions are 8x16x5 mm.

Is the 688 2RS a precision bearing?

Yes, it is widely used in compact precision and industrial applications.