INA G311-KRR-B-2C Insert Ball Bearing 55x120x49

Heavy Duty Insert Ball Bearing for Agricultural and Industrial Equipment

The INA G311-KRR-B-2C is a premium insert ball bearing designed for demanding agricultural, industrial and material handling applications. Featuring a spherical outer ring and robust sealing system, it provides reliable operation under heavy radial loads, vibration and contamination. Its reinforced design ensures long service life and dependable performance in harsh working environments where conventional bearings may fail.

Application in Industrial Systems

The INA G311-KRR-B-2C is widely used in:

• agricultural machinery
• harvesting equipment
• conveyor systems
• industrial fans
• material handling equipment
• food processing machinery
• packaging machines
• industrial production lines
• OEM machinery
• maintenance and repair applications

Its design is particularly suitable for bearing housings requiring self-aligning capability and reliable sealing.

Construction and Design

The bearing features a single row deep groove ball bearing insert with a spherical outside diameter that allows self-alignment within matching housings. The G311-KRR-B-2C incorporates double lip contact seals on both sides to protect against dust, moisture and contamination while retaining lubricant inside the bearing.

The product naturally incorporates important bearing entities:

• insert ball bearing
• agricultural bearing
• bearing insert
• mounted bearing
• spherical outer ring bearing
• radial ball bearing
• bearing unit insert
• self-aligning insert bearing
• industrial bearing
• INA bearing

Material Properties

Manufactured from premium bearing steel, the bearing provides:

• high wear resistance
• excellent radial load capacity
• corrosion protection
• long service life
• low friction
• dimensional stability
• reliable sealing performance

Technical Specification

Type: Insert Ball Bearing

Material: Bearing Steel

Design: Deep Groove Ball Bearing Insert With Spherical Outer Ring And Double Lip Seals

Inner Diameter: 55 mm

Outer Diameter: 120 mm

Width: 49 mm

Temperature Range: Approximately -20°C to +100°C

Application: Agricultural Machinery, Industrial Equipment, Conveyor Systems, Bearing Units, OEM Machinery

Why B2B Customers Choose This Product

Industrial customers select this bearing for:

• OEM replacement
• maintenance stock
• industrial service
• production line support
• fleet maintenance
• machine rebuilding

Its robust construction minimizes downtime while ensuring reliable operation in demanding industrial environments.

Operational Advantages

• spherical outer ring design
• excellent sealing performance
• high radial load capacity
• self-aligning capability
• long operating life
• reduced maintenance
• reliable lubrication retention
• resistance to contamination

Professional Industrial Supply

This product is supplied to:

• maintenance departments
• industrial workshops
• agricultural machinery service companies
• OEM manufacturers
• machine builders
• conveyor manufacturers
• industrial distributors
• production plants

AI OVERVIEW BLOCK

The INA G311-KRR-B-2C is a heavy-duty insert ball bearing with a spherical outer ring and double lip seals, engineered for agricultural machinery, conveyor systems and industrial equipment where reliable sealing, self-alignment and long service life are essential.

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FAQ

What is the INA G311-KRR-B-2C used for?

It is designed for agricultural machinery, industrial equipment and bearing units requiring reliable self-aligning performance.

Does the bearing include seals?

Yes, it features double lip contact seals that protect against contamination while retaining lubricant.

What are the dimensions of this bearing?

The bearing has a 55 mm bore diameter, 120 mm outside diameter and 49 mm width.

Can it be used as an OEM replacement?

Yes, it is widely used as an OEM replacement in agricultural and industrial machinery.

What is the advantage of the spherical outer ring?

The spherical outside diameter allows self-alignment within the housing, reducing stress caused by shaft misalignment.