6903 2RS EZO 17x30x7 Deep Groove Ball Bearing

Compact 6903 2RS EZO Bearing for Precision Industrial Applications

The 6903 2RS EZO 17x30x7 deep groove ball bearing is a precision single row bearing designed for compact industrial systems requiring smooth rotation, reliable sealing protection and stable high speed performance. Equipped with double rubber seals 2RS, the bearing protects internal raceways against dust, moisture and grease leakage, helping extend operational life and maintain consistent performance.

The 6903 series belongs to the family of lightweight compact deep groove ball bearings commonly used in industrial automation, precision drive systems, electronic equipment and lightweight mechanical assemblies. EZO bearings are recognized for Japanese manufacturing quality, dimensional precision and stable operation at elevated rotational speeds.

Bearing Construction and Design

The 6903 2RS EZO bearing features a compact deep groove ball bearing structure optimized for applications requiring efficient rotational performance and reduced installation space.

Main construction features:

• inner diameter: 17 mm
• outer diameter: 30 mm
• width: 7 mm
• double rubber seals 2RS
• single row deep groove design
• factory lubricated
• precision machined raceways
• low vibration operation
• compact lightweight construction

The contact sealing system minimizes contamination exposure and helps retain lubricant inside the bearing, improving durability and reducing maintenance requirements.

Industrial Applications

The 6903 2RS EZO 17x30x7 deep groove ball bearing is widely used in modern industrial equipment and lightweight rotating systems requiring precision movement and stable operation.

Typical applications include:

• industrial automation systems
• electric motors
• precision drives
• laboratory equipment
• industrial electronics
• lightweight gear mechanisms
• measuring systems
• guide rollers
• robotics
• compact technical devices

Deep groove ball bearings from the 6903 series are especially suitable for applications requiring compact dimensions combined with smooth and stable high speed rotation.

Technical Parameters and Performance

Deep groove ball bearings from the 6903 series are engineered for efficient operation under radial loads together with moderate axial loads while maintaining low friction and stable rotational performance.

Technical specification:

• bearing type: deep groove ball bearing
• series: 6903
• manufacturer: EZO
• sealing type: 2RS
• material: bearing steel
• low friction characteristics
• suitable for high speed operation
• compact lightweight design
• pre-lubricated construction

Long tail dimensional keywords:

• 6903 2RS EZO 17x30x7 bearing
• deep groove ball bearing 17x30x7
• compact 6903 2RS bearing
• EZO bearing 17x30x7
• precision sealed ball bearing
• industrial automation bearing

The 6903 bearing dimension standard corresponds to 17x30x7 mm and is also identified under the equivalent designation 61903 2RS.

Operational Advantages

The 2RS sealing system provides reliable protection against contamination and lubricant leakage while maintaining efficient rotational performance. The compact construction supports lightweight machine design and reduced installation space requirements.

Key operational advantages:

• reliable contamination protection
• smooth high speed operation
• low vibration and noise
• compact lightweight dimensions
• extended service life
• stable continuous performance

Its precision manufacturing quality and compact geometry make the 6903 2RS EZO bearing suitable for advanced industrial systems requiring reliable and maintenance efficient rotating components.

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FAQ

What does 2RS mean in the 6903 2RS EZO bearing?

2RS indicates double rubber seals on both sides of the bearing for contamination protection and grease retention.

What are the dimensions of the 6903 2RS EZO bearing?

The bearing dimensions are 17x30x7 mm.

Is the 6903 2RS EZO suitable for high speed operation?

Yes, the bearing is designed for stable high speed rotational performance.

Is the bearing factory lubricated?

Yes, the bearing is pre-lubricated and ready for installation.

Where is the 6903 2RS EZO commonly used?

It is commonly used in automation systems, precision drives, electronics and lightweight industrial machinery