KH 25 INA Linear Ball Bearing Bushing

Construction and Design

KH 25 INA is a precision linear ball bearing designed for smooth and accurate linear motion on hardened shafts with a diameter of 25 mm. This type of linear bearing belongs to the category of linear bearings INA and their components, widely used in industrial automation, CNC systems and mechanical assemblies requiring low friction linear guidance.

The KH series is characterized by a compact cylindrical design with recirculating ball circuits, ensuring continuous movement with minimal resistance. The optimized internal geometry allows for uniform load distribution, which increases durability and operational stability even in demanding industrial environments.

This linear bearing 25 mm shaft solution is commonly used where high positioning accuracy and repeatability are required, making it ideal for precision machinery and production lines.

Technical Specifications

Type: linear ball bearing
Manufacturer: INA
Model: KH 25
Inner diameter: 25 mm
Outer diameter: 35 mm
Length: 40 mm
Design: closed type linear bushing
Rolling elements: recirculating balls
Material: bearing steel
Sealing: open design
Application: linear motion systems

Operational Advantages

One of the key advantages of the KH 25 INA linear bearing is its ability to provide smooth linear motion with very low friction. The recirculating ball system ensures continuous contact with the shaft, reducing wear and extending service life.

Compared to standard sliding bushings, this INA linear bushing offers significantly better efficiency and precision. It supports both dynamic and static loads while maintaining stable performance in high-speed applications.

The compact dimensions 25x35x40 mm make it easy to integrate into existing systems without requiring major modifications, which is critical in industrial retrofitting and machine upgrades.

Industrial Applications

KH 25 INA linear bearings are widely used in industrial environments where precise linear motion is essential. Typical applications include CNC machines, packaging systems, automation lines, robotics, and assembly equipment.

They are also commonly found in woodworking machines, printing devices and transport systems where linear shaft guidance must remain reliable under continuous operation.

This type of linear bearing INA is particularly suitable for applications involving repetitive motion and high cycle frequencies.

Dimensional Compatibility

The KH 25 bearing is designed for shafts with a diameter of 25 mm, making it compatible with standard linear shaft systems used across multiple industries.

Common search phrases such as linear bearing 25 mm, INA KH25 bushing or linear bearing 25x35x40 reflect its widespread use and standardization. Its dimensions allow seamless integration into modular systems and machine components.

FAQ

What shafts are compatible with KH 25 INA linear bearing
This model is designed for hardened and ground shafts with a diameter of 25 mm.

Is KH 25 suitable for high speed linear motion
Yes, it is designed for high speed applications thanks to its recirculating ball system.

What industries commonly use KH 25 INA bearings
It is widely used in automation, CNC machinery, robotics and industrial production lines.

Does this bearing require lubrication
Yes, regular lubrication is recommended to ensure optimal performance and extended service life.

Can KH 25 replace other linear bushings
In most cases yes, if dimensions 25x35x40 mm match the application requirements.