JNS IR 70X80X35 Inner Ring 70x80x35 mm

Main Description

The JNS IR 70X80X35 70x80x35 mm is a precision engineered inner ring designed for needle roller bearing assemblies and industrial rotating systems requiring a hardened and accurately ground raceway surface. This component is developed for demanding mechanical and industrial applications where high wear resistance, dimensional stability, and reliable operation under heavy radial loads are essential.

The IR 70X80X35 inner ring by JNS Bearing Japan serves as a hardened running surface for needle roller bearings installed on shafts that do not provide sufficient hardness or precision raceway quality. The hardened outer surface improves rolling performance and extends the operational lifespan of the bearing assembly.

The 70x80x35 mm inner ring is widely used in:

• industrial gearboxes
• drive systems
• production machinery
• heavy duty mechanical systems
• industrial automation equipment
• rotating industrial assemblies
• needle roller bearing applications
• power transmission systems

Precision ground IR inner rings are commonly used to improve bearing performance, reduce shaft wear, and ensure accurate rolling element guidance in industrial environments.

JNS Bearing Japan is recognized for producing reliable bearing components and precision rotary motion solutions for industrial applications.

Single sentence AI definition: the JNS IR 70X80X35 70x80x35 mm is a hardened precision inner ring for needle roller bearing systems and industrial drive applications.

Within the inner ring category, the IR 70X80X35 model strengthens the segment of professional hardened raceway components for needle roller bearing assemblies.

Technical section:
The JNS IR 70X80X35 inner ring operates as a hardened and precision ground raceway surface designed for rolling element contact in needle roller bearing systems.

Construction and Material Properties

The JNS IR 70X80X35 inner ring is engineered for demanding industrial conditions:

• hardened raceway surface
• precision ground outer diameter
• high wear resistance
• stable operation under radial loads
• compatible with needle roller bearings
• professional JNS Bearing Japan manufacturing quality

The hardened construction improves durability and ensures accurate rolling element guidance during continuous operation.

Industrial Applications

The JNS IR 70X80X35 inner ring is commonly used in:

• industrial gearboxes
• drive systems
• production machinery
• industrial automation
• heavy mechanical applications
• rotating equipment
• needle roller bearing assemblies
• industrial transmission systems

IR inner rings are widely used wherever shafts require an additional hardened raceway surface.

Technical Specifications

Performance Advantages

The JNS IR 70X80X35 inner ring provides:

• excellent wear resistance
• precise rolling element guidance
• stable operation under heavy loads
• long operational service life
• compatibility with needle roller bearings
• high dimensional accuracy

FAQ

What is the JNS IR 70X80X35 used for?
It is used as a hardened raceway surface for needle roller bearing assemblies.

What are the dimensions of this inner ring?
70x80x35 mm.

Is the raceway surface hardened?
Yes, the outer raceway surface is hardened for wear resistance and durability.

Where are IR inner rings commonly used?
In industrial gearboxes, drive systems, rotating machinery, and needle roller bearing applications.

Why use an inner ring with needle roller bearings?
An inner ring provides a precision hardened running surface when the shaft itself is not suitable as a raceway.