INA NRA 3x15.8-G2 Needle Rollers for Needle Bearings

Design and Purpose

INA NRA 3x15.8-G2 are precision needle rollers (needle pins) designed for use in needle roller bearings and custom bearing assemblies. This is not a complete bearing, but a rolling element used in loose needle configurations or for bearing repair.

The rollers are made from high quality bearing steel with very high hardness and dimensional accuracy. The G2 tolerance class ensures precise geometry, uniform load distribution, and reduced wear.

Technical Specifications

Diameter: 3 mm
Length: 15.8 mm
Type: needle rollers
Tolerance class: G2
Manufacturer: INA

Long tail keywords:
needle rollers 3x15.8 mm
INA NRA 3x15.8 G2 needle pins
needle bearing rollers 3 mm

Industrial Applications

INA NRA 3x15.8-G2 needle rollers are used in:

• needle roller bearings without cages
• bearing repair and rebuilding
• gearboxes
• transmission systems
• precision mechanical assemblies

They are especially suitable for applications requiring maximum load capacity within limited installation space.

Operational Advantages

These needle rollers provide high durability and precision in demanding conditions.

Key advantages:

• very high hardness and wear resistance
• precise G2 tolerance
• high radial load capacity
• suitable for full complement designs
• ideal for repair and custom assemblies

Main Description

INA NRA 3x15.8-G2 are high precision needle rollers designed for use in needle roller bearings and applications requiring compact design and high load capacity.

As part of the rolling elements category, they serve as a key component in bearing construction and maintenance. Their design allows efficient handling of high radial loads while maintaining minimal space requirements.

Technical snippet section:
INA NRA 3x15.8-G2 needle rollers are precision rolling elements with 3 mm diameter and 15.8 mm length, designed for needle bearings and high load compact systems.

FAQ

Is this a complete bearing?
No, these are individual needle rollers.

What are they used for?
For building or repairing needle roller bearings.

Do they require a cage?
Not always, they can be used in full complement designs.

What does G2 mean?
It indicates high precision tolerance.

What loads can they handle?
High radial loads.