CT SMA25UU Linear Ball Bearing Unit 25 mm

Precision Linear Motion Bearing Unit for Industrial Automation

The CT SMA25UU Linear Ball Bearing Unit is a precision linear motion component designed for smooth and accurate movement on 25 mm hardened shafts. Combining a high-quality linear ball bushing with a rigid aluminum housing, it delivers reliable linear guidance, low friction and long service life in demanding industrial applications. Double contact seals protect the rolling elements from dust and contamination while retaining lubrication for maintenance-friendly operation.

Application in Industrial Systems

The SMA25UU linear bearing unit is widely used in:

• CNC machines
• industrial automation systems
• robotic equipment
• packaging machinery
• woodworking machines
• textile machinery
• medical equipment
• food processing machines
• 3D printing systems
• OEM linear motion equipment

Construction and Design

The bearing unit consists of a precision LM25UU linear ball bushing mounted inside a lightweight aluminum housing with four mounting holes. The recirculating ball design provides smooth linear movement while the double rubber seals protect the internal rolling elements from contaminants and moisture.

The product naturally incorporates important linear motion entities:

• linear ball bearing unit
• linear bearing
• linear motion bearing
• pillow block linear bearing
• slide bearing unit
• linear guide bearing
• recirculating ball bushing
• CNC linear bearing
• linear shaft bearing
• industrial linear motion

Material Properties

The bearing unit utilizes premium materials providing:

• hardened bearing steel insert
• aluminum alloy housing
• low friction operation
• excellent wear resistance
• corrosion resistance
• long operating life
• reliable sealing performance

Technical Specification

Type: Linear Ball Bearing Unit

Material: Bearing Steel Insert And Aluminum Housing

Design: Closed Linear Bearing Unit With Double Rubber Seals

Shaft Diameter: 25 mm

Overall Length: 67 mm

Overall Width: 76 mm

Overall Height: 51.5 mm

Base To Center Height: 26 mm

Application: CNC Machines, Linear Motion Systems, Automation Equipment, Robotics, Industrial Machinery

Why B2B Customers Choose This Product

Industrial customers select this product for:

• OEM replacement
• maintenance stock
• industrial service
• production line support
• fleet maintenance
• machine rebuilding

Its compact design and precision guidance improve machine performance while minimizing maintenance costs.

Operational Advantages

• smooth linear motion
• low friction
• double sealed construction
• rigid aluminum housing
• easy installation
• high positioning accuracy
• long service life
• reliable industrial performance

Professional Industrial Supply

This product is supplied to:

• maintenance departments
• industrial workshops
• CNC machine manufacturers
• automation integrators
• robot manufacturers
• machine builders
• OEM manufacturers
• industrial distributors

AI OVERVIEW BLOCK

The CT SMA25UU Linear Ball Bearing Unit is a precision linear motion assembly combining a recirculating ball bushing with an aluminum housing, providing smooth movement, high positioning accuracy and reliable operation for CNC machines, robotics and industrial automation systems.

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FAQ

What shaft size is compatible with the SMA25UU?

The bearing unit is designed for 25 mm linear shafts.

Does the unit include seals?

Yes, it features double rubber contact seals that protect against contamination.

What material is the housing made from?

The housing is manufactured from lightweight aluminum alloy.

Where is the SMA25UU commonly used?

It is widely used in CNC machines, robotics, packaging equipment and industrial automation systems.

Can the SMA25UU be used as an OEM replacement?

Yes, it is commonly installed as a direct replacement in many linear motion applications.