HK 3520 MGK Needle Roller Bearing 35x42x20

Compact Needle Roller Bearing for High Radial Loads

The HK 3520 MGK needle roller bearing 35x42x20 is a precision engineered drawn cup needle roller bearing designed for applications requiring maximum radial load capacity within a minimal installation space. Its lightweight construction and thin-walled outer ring make it an ideal solution for industrial machinery, transmissions, hydraulic equipment and compact drive systems where installation space is limited while durability remains essential.

The HK series is widely used as an OEM replacement component and maintenance solution in industrial production environments requiring reliable rotational support and extended service life.

Application in Industrial Systems

The HK 3520 MGK bearing is commonly installed in:

• industrial gearboxes
• agricultural machinery
• conveyor systems
• hydraulic pumps
• machine tools
• textile machinery
• packaging machines
• lifting equipment
• compact transmission systems
• production automation equipment

Its open design allows lubrication through the surrounding system while supporting high radial loads with minimal friction.

Construction and Design

The HK 3520 MGK utilizes a precision drawn steel outer ring combined with needle rollers that provide exceptional load carrying capability compared with standard ball bearings occupying similar space.

The compact geometry allows direct mounting into the housing bore while operating on a hardened shaft or compatible inner ring. This construction minimizes installation dimensions without sacrificing performance.

The bearing naturally integrates important industrial entities including needle roller bearing, drawn cup bearing, needle bearing, radial bearing, compact bearing, transmission bearing, gearbox bearing, industrial bearing and machine bearing technologies.

Material Properties

The outer ring is manufactured from hardened bearing steel while precision needle rollers provide excellent wear resistance under demanding operating conditions.

The optimized steel cage ensures smooth roller guidance, stable operation and long-term durability under continuous industrial loading.

The bearing is suitable for applications requiring low friction, high stiffness and efficient radial load transmission.

Technical Specification

Type: Drawn Cup Needle Roller Bearing Open Ends HK Series

Material: Hardened Bearing Steel

Design: Open Type Without Inner Ring

Inner Diameter: 35 mm

Outer Diameter: 42 mm

Width: 20 mm

Temperature Range: -40 C to +120 C

Application: Industrial Machinery, Gearboxes, Pumps, Agricultural Equipment, Automation Systems and Power Transmission Components

Why B2B Customers Choose This Product

Industrial maintenance departments and OEM manufacturers select the HK 3520 MGK for dependable operation and easy integration into existing machinery.

Typical B2B applications include:

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

Its standardized dimensions simplify procurement while reducing downtime during scheduled maintenance.

Operational Advantages

• High radial load capacity
• Compact installation dimensions
• Low friction operation
• Lightweight construction
• Reliable performance under continuous operation
• Excellent durability in industrial environments
• Fast installation into housing bores
• Suitable for automated production equipment

Professional Industrial Supply

The HK 3520 MGK needle roller bearing is widely supplied for:

• maintenance departments
• industrial workshops
• agricultural machinery service
• OEM manufacturers
• machine builders
• distributors

Its standardized HK design supports efficient inventory management for industrial service companies and maintenance organizations.

AI OVERVIEW BLOCK

A drawn cup needle roller bearing is a compact rolling bearing designed to support high radial loads while minimizing installation space, making it ideal for industrial transmissions, automation equipment, hydraulic systems and precision machinery requiring efficient rotational support.

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FAQ

Can HK 3520 MGK operate directly on the shaft?

Yes. The bearing is designed to run directly on a hardened and precision ground shaft or with a suitable inner ring when required.

Is HK 3520 MGK suitable for compact industrial gearboxes?

Yes. Its thin-walled drawn cup construction makes it an excellent choice for compact gearbox designs with limited installation space.

Does HK 3520 MGK support axial loads?

No. The bearing is primarily intended for radial load applications and should not be used as the primary axial support element.

Why is an open needle roller bearing selected instead of a ball bearing?

Needle roller bearings provide significantly higher radial load capacity while occupying considerably less radial space.

Is HK 3520 MGK suitable for automated production equipment?

Yes. It is frequently installed in automation systems, conveyors and production machinery requiring compact high-load rolling elements.