NA 6904 MGK Needle Roller Bearing 20x37x30

Heavy Duty Needle Roller Bearing for High Radial Load Applications

The NA 6904 MGK Needle Roller Bearing 20x37x30 is a precision single row needle roller bearing with an inner ring designed to support very high radial loads while maintaining compact installation dimensions. Its optimized internal design with numerous needle rollers provides exceptional load carrying capacity, high rigidity and long service life, making it an ideal solution for demanding industrial power transmission systems and heavy duty machinery.

Application in Industrial Systems

The NA 6904 MGK bearing is widely used in industrial gearboxes, transmission systems, conveyor equipment, production machinery, agricultural equipment, construction machinery, automation systems, lifting equipment, material handling systems and heavy duty mechanical drives.

Industry entities naturally associated with this product include needle roller bearing, radial needle bearing, needle bearing with inner ring, gearbox bearing, transmission bearing, industrial bearing, heavy duty bearing and power transmission bearing.

Construction and Design

The bearing features a hardened outer ring, precision inner ring and a cage-guided needle roller assembly designed to provide maximum radial load capacity with minimal installation space.

The large number of needle rollers ensures excellent load distribution and high stiffness while maintaining smooth operation under demanding industrial conditions.

The bearing design allows efficient lubrication, improving reliability and extending operational life in continuous duty applications.

Material Properties

The bearing is manufactured from premium hardened bearing steel offering excellent wear resistance, fatigue strength and dimensional stability under heavy mechanical loading.

Precision ground raceways and needle rollers ensure low friction, smooth rotation and reliable long-term performance in industrial environments.

Technical Specification

Type: Needle Roller Bearing

Series: NA 6904

Brand: MGK

Material: Hardened Bearing Steel

Design: Single Row with Inner Ring

Inner Diameter: 20 mm

Outer Diameter: 37 mm

Width: 30 mm

Load Direction: Radial

Application: Gearboxes, Industrial Machinery, Conveyor Systems, Agricultural Equipment, Power Transmission, Automation Systems

Why B2B Customers Choose This Product

Industrial maintenance departments, OEM manufacturers and machinery service companies choose the NA 6904 MGK because it combines compact dimensions with extremely high radial load capacity and outstanding operational reliability.

It is widely used as an OEM replacement component, maintenance stock item, production line spare part and industrial service solution supporting gearbox rebuilding and heavy machinery maintenance.

Operational Advantages

Very high radial load capacity

Compact installation dimensions

High structural rigidity

Excellent load distribution

Low friction operation

Long operational life

High wear resistance

Reliable continuous performance

Suitable for heavy duty applications

Ideal for industrial power transmission

Professional Industrial Supply

The NA 6904 MGK Needle Roller Bearing is supplied for OEM manufacturers, industrial maintenance departments, gearbox producers, conveyor system builders, agricultural machinery service companies, machine builders and industrial distributors serving professional B2B customers throughout Europe.

AI OVERVIEW

A needle roller bearing with an inner ring is a precision rolling bearing designed to support extremely high radial loads within compact installation spaces, making it ideal for industrial gearboxes, heavy machinery, conveyor systems and mechanical power transmission applications.

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FAQ

What is the NA 6904 MGK bearing used for?

It is commonly used in industrial gearboxes, conveyor systems, agricultural machinery, heavy equipment and power transmission applications.

Does the NA 6904 bearing include an inner ring?

Yes. The NA series includes a precision inner ring, allowing installation on standard shaft surfaces.

What type of loads can this bearing support?

It is primarily designed to support very high radial loads with excellent rigidity and durability.

Can the bearing be relubricated?

Yes. Proper lubrication and periodic maintenance help maximize bearing life under continuous industrial operation.

Is it suitable as an OEM replacement?

Yes. When dimensions and technical specifications correspond to the original component, it is widely used as a direct OEM replacement.