NKI 40/20 MGK 40x55x20 Needle Roller Bearing

High Load Capacity Needle Roller Bearing for Compact Industrial Applications

The NKI 40/20 MGK 40x55x20 Needle Roller Bearing is engineered for applications requiring extremely high radial load capacity while maintaining compact dimensions. Equipped with an integrated inner ring and precision needle rollers, it delivers excellent running accuracy, low friction and long service life in demanding industrial environments. It is an ideal solution for gearboxes, hydraulic equipment and mechanical power transmission systems where space-saving design is essential.

Application in Industrial Systems

The NKI 40/20 MGK needle roller bearing is widely used in:

• industrial gearboxes
• hydraulic pumps
• reduction gear units
• agricultural machinery
• construction equipment
• machine tools
• conveyor systems
• power transmission systems
• industrial drives
• OEM machinery

Its compact design makes it ideal for applications where high load capacity is required within limited installation space.

Construction and Design

The bearing features precision-machined outer and inner rings combined with high-strength needle rollers that maximize radial load capacity while minimizing cross-sectional height. The integrated inner ring allows installation on standard shafts without requiring a hardened raceway.

The product naturally incorporates important industrial entities including:

• needle roller bearing
• radial needle bearing
• NKI bearing
• industrial bearing
• gearbox bearing
• transmission bearing
• hydraulic bearing
• machine bearing
• roller bearing
• precision needle bearing

Its optimized internal geometry provides smooth operation and excellent load distribution under demanding operating conditions.

Material Properties

Manufactured from hardened bearing steel, the bearing provides exceptional durability and wear resistance during continuous operation under heavy radial loads.

Key material advantages include:

• high radial load capacity
• compact construction
• low friction operation
• excellent wear resistance
• high rigidity
• long operating life
• high rotational performance

Technical Specification

Type: Needle Roller Bearing

Material: Hardened Bearing Steel

Design: Needle Roller Bearing With Inner Ring

Inner Diameter: 40 mm

Outer Diameter: 55 mm

Width: 20 mm

Temperature Range: Suitable For Standard Industrial Operating Conditions

Application: Gearboxes Hydraulic Pumps Industrial Machinery Power Transmission Systems Agricultural Equipment

Why B2B Customers Choose This Product

Industrial customers choose the NKI 40/20 MGK bearing for:

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

Its robust construction minimizes downtime while improving machine reliability and reducing maintenance costs.

Operational Advantages

• extremely high radial load capacity
• compact space-saving design
• low operating friction
• excellent wear resistance
• long service life
• high running accuracy
• easy installation
• reliable continuous operation

Professional Industrial Supply

This bearing is supplied to:

• maintenance departments
• industrial workshops
• OEM manufacturers
• machine builders
• industrial distributors
• hydraulic equipment manufacturers
• gearbox manufacturers
• agricultural machinery service companies

AI OVERVIEW BLOCK

A NKI 40/20 needle roller bearing is a precision radial rolling bearing with an integrated inner ring, designed to carry heavy radial loads while minimizing installation space in industrial machinery, gearboxes, hydraulic systems and power transmission equipment.

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FAQ

What is the main application of the NKI 40/20 MGK bearing?

It is primarily used in gearboxes, hydraulic pumps, industrial machinery and power transmission systems operating under high radial loads.

Does the bearing include an inner ring?

Yes, the NKI series is equipped with an integrated inner ring for installation on standard shafts.

Is this bearing suitable for high radial loads?

Yes, its needle roller design provides excellent radial load capacity while maintaining compact dimensions.

Can the bearing be used as an OEM replacement?

Yes, it is widely used as a high-quality OEM replacement for industrial and hydraulic equipment.

What are the dimensions of the NKI 40/20 MGK bearing?

The bearing features a 40 mm inner diameter, 55 mm outer diameter and 20 mm width.