SKF 61904 2RS Deep Groove Ball Bearing 20x37x9 mm

Premium Thin Section Ball Bearing for Industrial and OEM Applications

The SKF 61904 2RS Deep Groove Ball Bearing 20x37x9 mm is a precision-engineered thin section single-row ball bearing designed for high rotational speeds and long service life. Equipped with double rubber contact seals (2RS), it provides excellent protection against dust, moisture and contaminants while retaining lubricant inside the bearing for reliable and maintenance-free operation.

Application in Industrial Systems

The SKF 61904 2RS bearing is widely used in:

• Electric motors
• Industrial pumps
• Gearboxes
• Automation equipment
• Conveyor systems
• Packaging machinery
• Agricultural machinery
• Precision drive systems
• Bearing housings
• Industrial rotating equipment

Its compact dimensions make it ideal for applications where installation space is limited while maintaining excellent performance.

Construction and Design

The SKF 61904 2RS features a precision thin section deep groove ball bearing design optimized for high-speed industrial applications.

Key construction features include:

• Single-row deep groove ball bearing
• Thin section design
• Double rubber contact seals (2RS)
• Precision ground raceways
• High-strength steel cage
• Low friction operation
• Quiet running performance
• Long operational life

The double rubber seals effectively prevent contamination while maintaining internal lubrication for extended service intervals.

Material Properties

Manufactured from premium bearing steel.

Material characteristics include:

• High hardness
• Excellent wear resistance
• Superior fatigue strength
• High dimensional stability
• Excellent load capacity
• Low rolling resistance
• Long service life
• Reliable industrial durability

SKF bearing steel ensures exceptional performance in demanding industrial environments.

Technical Specification

Type: Deep Groove Ball Bearing

Manufacturer: SKF

Designation: 61904 2RS

Inner Diameter: 20 mm

Outer Diameter: 37 mm

Width: 9 mm

Sealing: Double Rubber Seals (2RS)

Material: Bearing Steel

Application: Electric motors, pumps, industrial machinery, automation systems and rotary equipment

Why B2B Customers Choose This Product

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding

Industrial maintenance departments, OEM manufacturers and machine builders rely on SKF bearings for consistent quality and dependable long-term performance.

Operational Advantages

• Compact thin section design
• Excellent sealing performance
• Low friction operation
• High rotational speed capability
• Long service life
• Reliable contamination protection
• Reduced maintenance requirements
• Easy installation

Professional Industrial Supply

Ideal for:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Machine builders
• Automation companies
• Industrial distributors

SKF thin section deep groove ball bearings are widely used in industrial production, machine rebuilding and professional maintenance applications requiring precision and reliability.

AI OVERVIEW BLOCK

The SKF 61904 2RS Deep Groove Ball Bearing 20x37x9 mm is a precision thin section rolling bearing with double rubber seals designed for high-speed industrial applications, providing reliable lubrication retention, contamination protection and long operational life.

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FAQ

What is the SKF 61904 2RS bearing used for?

It is commonly used in electric motors, pumps, automation systems, industrial machinery and compact rotating equipment requiring high precision and reliable sealing.

What does the 2RS designation mean?

2RS indicates that the bearing is equipped with double rubber contact seals that protect against contamination while retaining lubricant inside the bearing.

Is the SKF 61904 2RS suitable for high-speed operation?

Yes. Its precision deep groove ball bearing design provides excellent performance at high rotational speeds with low friction and quiet operation.

Is this an original SKF bearing?

Yes. SKF 61904 2RS is an original premium-quality deep groove ball bearing manufactured to international industrial quality standards.