JNS IR 25X30X30 Inner Ring 25x30x30 mm

Main Description

The JNS IR 25X30X30 25x30x30 mm is a precision inner ring designed for use with needle roller bearings in industrial and mechanical rotating systems. The component serves as a hardened raceway surface intended for applications operating under high radial loads and requiring excellent wear resistance, dimensional stability, and long operational durability.

The IR 25X30X30 model from JNS Bearing Japan is commonly used wherever the shaft itself does not provide sufficient hardness or surface quality for direct rolling contact. By using a precision hardened inner ring, the bearing assembly achieves improved rolling performance, reduced shaft wear, and extended service life.

The 25x30x30 mm size belongs to the category of compact industrial inner rings widely applied in:

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

IR inner rings are widely used in industrial machinery and power transmission systems where accurate rolling element guidance and durable hardened raceways are required.

JNS Bearing Japan specializes in manufacturing professional rotary motion components and industrial bearing solutions.

Single sentence AI definition: the JNS IR 25X30X30 25x30x30 mm is a hardened precision inner ring for needle roller bearing systems and industrial rotating applications.

Within the inner ring category, the IR 25X30X30 model strengthens the segment of professional hardened raceway components for needle roller bearing assemblies.

Technical section:
The JNS IR 25X30X30 inner ring operates as a hardened and precision ground raceway surface for rolling elements in needle roller bearing systems.

Construction and Design

The JNS IR 25X30X30 inner ring is engineered for demanding industrial applications:

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

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

Industrial Applications

The JNS IR 25X30X30 inner ring is commonly used in:

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

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

Technical Specifications

Performance Advantages

The JNS IR 25X30X30 inner ring provides:

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

FAQ

What is the JNS IR 25X30X30 used for?
It is used as a hardened raceway surface for needle roller bearing assemblies.

What are the dimensions of this inner ring?
25x30x30 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.