61801 2RS EZO 12x21x5 Deep Groove Ball Bearing

Thin Section 61801 2RS EZO Bearing for Precision Compact Systems

The 61801 2RS EZO 12x21x5 deep groove ball bearing, also known as 6801 2RS, is designed for applications requiring extremely compact dimensions, high precision and stable high speed operation. Equipped with double rubber seals 2RS, the bearing effectively protects internal raceways against dust, moisture and grease leakage while maintaining smooth rotational performance.

The 61801 series belongs to the family of thin section deep groove ball bearings commonly used in precision automation systems, electronics, lightweight drives and compact mechanical assemblies. EZO Japan bearings are recognized for high manufacturing accuracy, low vibration levels and excellent rotational stability at elevated speeds.

Bearing Construction and Design

The 61801 2RS EZO bearing features a single row thin section deep groove ball bearing structure designed for balanced load distribution and smooth continuous operation.

Main construction features:

• inner diameter: 12 mm
• outer diameter: 21 mm
• width: 5 mm
• double rubber seals 2RS
• alternative designation: 6801 2RS
• factory lubricated
• thin section construction
• low vibration operation
• precision machined raceways

The contact sealing system effectively protects the bearing interior against contamination while extending operational durability.

Technical Parameters and Performance

The 61801 2RS EZO bearing is manufactured from high quality bearing steel providing durability and stable performance at high rotational speeds.

Technical snippet section:
The 61801 2RS EZO deep groove ball bearing with dimensions 12x21x5 mm is a thin section sealed bearing designed for compact rotating systems and precision industrial applications.

Technical specification:

• bearing type: deep groove ball bearing
• series: 61801
• equivalent designation: 6801 2RS
• manufacturer: EZO Japan
• sealing type: 2RS
• material: bearing steel
• low friction characteristics
• compact lightweight construction
• ready for installation

Long tail dimensional keywords:

• 61801 2RS EZO 12x21x5 bearing
• 6801 2RS EZO bearing
• deep groove ball bearing 12x21x5
• thin section 6801 bearing
• precision EZO 12 mm bearing
• compact automation bearing

Industrial Applications

The 61801 2RS EZO deep groove ball bearing is widely used in equipment requiring minimal installation space together with high precision rotational performance.

Typical applications include:

• miniature electric motors
• precision automation systems
• industrial electronics
• laboratory equipment
• lightweight drives
• measuring instruments
• medical devices
• robotics
• model engineering
• compact rotating assemblies

Its thin section construction allows efficient operation in systems with limited installation space while maintaining reliable mechanical performance.

Operational Advantages

The 61801 2RS EZO deep groove ball bearing provides excellent operational durability and high rotational accuracy while maintaining compact dimensions.

Key operational advantages:

• thin section compact construction
• reliable contamination protection
• smooth high speed operation
• low vibration and noise
• high manufacturing precision
• extended operational life

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FAQ

Are 61801 2RS and 6801 2RS the same bearing type?

Yes, the designations 61801 2RS and 6801 2RS are commonly used interchangeably for the same bearing dimensions.

What are the dimensions of the 61801 2RS EZO bearing?

The bearing dimensions are 12x21x5 mm.

What does the 2RS designation mean?

2RS indicates double rubber seals protecting the bearing against contamination and grease leakage.

Is the bearing suitable for high speed operation?

Yes, the design provides low rolling resistance and stable operation at elevated rotational speeds.

Where are 61801 series thin section bearings commonly used?

They are widely used in automation systems, electronics, robotics and miniature drive assemblies.