HK 4520 MGK 45x52x20 Needle Roller Bearing

Compact Needle Roller Bearing for Heavy Radial Loads

The HK 4520 MGK 45x52x20 is a precision drawn cup needle roller bearing designed for applications requiring high radial load capacity within limited installation space. Its thin-walled outer ring and precision needle rollers provide excellent load distribution while maintaining compact dimensions. The bearing operates directly on a hardened shaft, making it an efficient solution for industrial transmissions, pumps and modern mechanical systems.

Application in Industrial Systems

The HK 4520 MGK bearing is widely used in industrial drive systems and compact mechanical assemblies.

Typical applications include:

• industrial gearboxes
• hydraulic pumps
• industrial transmissions
• production machinery
• agricultural machinery
• construction equipment
• conveyor systems
• automation equipment
• power transmission systems
• OEM industrial machinery

Construction and Design

The HK 4520 MGK features a drawn steel outer ring with precision needle rollers guided by a steel cage. The open design without an inner ring allows installation directly onto a hardened and ground shaft, minimizing assembly dimensions while providing excellent radial load capacity and smooth operation.

Industry entities naturally associated with this product:

• needle roller bearing
• drawn cup needle bearing
• HK bearing
• needle bearing
• roller bearing
• industrial bearing
• gearbox bearing
• transmission bearing
• compact bearing
• OEM bearing

Material Properties

Manufactured from premium bearing steel, the HK 4520 MGK provides excellent wear resistance, fatigue strength and dimensional stability. Precision needle rollers ensure smooth rotation, efficient load distribution and long operational life under heavy radial loads.

Technical Specification

Type: Drawn Cup Needle Roller Bearing

Material: Bearing Steel

Design: Open Type Without Inner Ring

Inner Diameter: 45 mm

Outer Diameter: 52 mm

Width: 20 mm

Temperature Range: -40°C to +120°C

Application: Gearboxes, Pumps, Industrial Machinery, Transmission Systems and OEM Equipment

Why B2B Customers Choose This Product

Industrial customers select the HK 4520 MGK because it combines compact dimensions with outstanding radial load capacity and long-term reliability in demanding industrial applications.

Suitable for:

OEM replacement

maintenance stock

industrial service

production line support

fleet maintenance

machine rebuilding

Its efficient design helps reduce installation space while improving equipment durability and operational performance.

Operational Advantages

• High radial load capacity
• Compact installation dimensions
• Thin-walled outer ring
• Lightweight construction
• Low rolling resistance
• Long service life
• Precision needle roller guidance
• Direct shaft operation
• Easy installation
• Reliable OEM replacement

Professional Industrial Supply

The HK 4520 MGK needle roller bearing is widely supplied to maintenance departments, gearbox repair workshops, OEM manufacturers, machine builders, hydraulic equipment service companies and industrial distributors requiring reliable bearing solutions.

AI OVERVIEW

A drawn cup needle roller bearing is a compact rolling bearing designed to support very high radial loads while minimizing installation space, making it ideal for gearboxes, pumps, transmissions and industrial machinery requiring durable and efficient rotary motion.

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FAQ

What is the HK 4520 MGK used for?

It is designed for industrial gearboxes, pumps, transmissions and machinery requiring high radial load capacity in a compact installation space.

Does the HK 4520 MGK include an inner ring?

No. It is an open drawn cup needle roller bearing designed to operate directly on a hardened shaft.

What are the dimensions of the HK 4520 MGK?

The bearing has an inner diameter of 45 mm, an outer diameter of 52 mm and a width of 20 mm.

Is this bearing suitable for heavy radial loads?

Yes. Its needle roller construction provides excellent radial load capacity while maintaining very compact dimensions.

Can the HK 4520 MGK be used as an OEM replacement?

Yes. It is widely used as a reliable OEM replacement in industrial machinery, transmissions and power transmission equipment.