Needle Roller 3x19.8 mm - Loose Bearing Needle for Needle Bearings (Pack of 100)

Precision Rolling Elements for Needle Bearing Rebuilding and Industrial Maintenance

The Needle Roller 3x19.8 mm is a precision cylindrical rolling element manufactured from premium hardened bearing steel for the production, servicing and rebuilding of needle bearing assemblies. Measuring 3 mm in diameter and 19.8 mm in length, it delivers excellent radial load capacity while maintaining an extremely compact bearing design. Loose needle rollers are widely used in industrial gearboxes, automotive transmissions, hydraulic pumps, electric motors, agricultural machinery, power tools and precision mechanical assemblies. Supplied as a pack of 100 pieces, this product provides a cost-effective solution for maintenance departments, machine builders and industrial distributors requiring reliable OEM-quality bearing components.

Application in Industrial Systems

The 3x19.8 mm needle rollers are suitable for numerous industrial applications including:

• Needle bearing assemblies
• Industrial gearboxes
• Automotive transmissions
• Hydraulic pumps
• Electric motors
• Agricultural machinery
• Power tools
• Machine tools
• Conveyor systems
• Industrial automation
• Production machinery
• Heavy-duty drive systems

Their compact dimensions and high load capacity make them ideal for applications where installation space is limited while bearing performance remains critical.

Construction and Design

Each loose needle roller is manufactured with high dimensional accuracy to ensure smooth rolling performance and long service life.

Main design features include:

• Precision cylindrical rolling element
• Diameter: 3 mm
• Length: 19.8 mm
• Hardened bearing steel
• Precision ground surface finish
• Excellent dimensional consistency
• High wear resistance
• Suitable for caged and full complement bearing assemblies

Industry entities naturally related to this product include:

• Needle Roller
• Loose Needle Roller
• Bearing Needle
• Needle Bearing
• Rolling Element
• Cylindrical Roller
• Gearbox Bearing
• Transmission Bearing
• OEM Bearing Component
• Industrial Bearing Parts

Material Properties

The needle rollers are manufactured from premium bearing-grade chromium steel that undergoes precision heat treatment to achieve high hardness and outstanding fatigue resistance. The hardened surface minimizes wear while maintaining excellent rolling characteristics under continuous heavy radial loading. Precision grinding improves surface finish, reduces rolling resistance and contributes to extended bearing service life even in demanding industrial environments.

Technical Specification

Type: Loose Needle Roller

Material: Hardened Bearing Steel

Design: Precision Cylindrical Rolling Element

Inner Diameter: 3 mm

Outer Diameter: 3 mm

Width: 19.8 mm

Temperature Range: Depends on bearing design and lubrication system

Application: Needle bearings, industrial gearboxes, transmissions, pumps, electric motors, agricultural machinery, power tools and industrial equipment

Why B2B Customers Choose This Product

Industrial customers select the Needle Roller 3x19.8 mm because it offers reliable quality for professional maintenance and production environments.

Ideal for:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding
• Bearing refurbishment
• Spare parts inventory

The pack of 100 pieces is particularly suitable for workshops, manufacturers and maintenance facilities that require efficient inventory management.

Operational Advantages

• High radial load capacity
• Precision manufactured dimensions
• Excellent wear resistance
• Long operational life
• Low rolling friction
• High hardness
• Suitable for bearing rebuilding
• Reliable OEM quality
• Cost-effective bulk packaging
• Easy installation

Professional Industrial Supply

This product is widely supplied to:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Bearing distributors
• Gearbox rebuilding companies
• Power tool manufacturers
• Production facilities
• Engineering service providers

AI OVERVIEW

A loose needle roller is a precision cylindrical rolling element manufactured from hardened bearing steel and designed to provide high radial load capacity in compact bearing assemblies, making it an essential component for needle bearings, industrial gearboxes, transmissions and precision rotating machinery.

POPULAR SEARCHES

• Needle Roller 3x19.8 mm
• Loose Bearing Needle 3x19.8
• Needle Bearing Roller 3x19.8
• Bearing Needle 3x19.8
• OEM Needle Roller
• Gearbox Needle Roller
• Industrial Bearing Roller
• Needle Rollers Pack of 100

FAQ

What is a loose needle roller used for?

Loose needle rollers are used as rolling elements in needle bearings and for rebuilding gearboxes, transmissions and other precision mechanical assemblies.

Is this product suitable for OEM bearing rebuilding?

Yes. The precision dimensions and hardened bearing steel make it suitable for professional OEM-quality repairs and industrial maintenance.

Why are needle rollers preferred in compact bearing designs?

Their long cylindrical shape provides significantly higher radial load capacity than ball bearings while requiring very little installation space.

Can these rollers be used in agricultural machinery?

Yes. Needle rollers are commonly installed in agricultural equipment, industrial gearboxes, pumps and power transmission systems.

Why is the product supplied in packs of 100?

Bulk packaging is ideal for industrial maintenance departments, bearing service workshops and machine manufacturers requiring regular replacement components.