Bearings
Linear Bearings & Shaft
Linear Carriages
NSK Carriages
Quick Code: BB-518161
NAS25 ALZ NSK Carriage
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Product Specification
Ball chain
Without ball chain
Ball-/Roller rows
Four Row
Brand
NSK
Design
Block carriage
Lubrication & Maintenance
Can be relubricated (via the lubrication nipple)
Material
Steel, Plastic
Preload
Light preload
Seal
End Seals and Sealing Strips
Series
25 series
Temperature range
-40 to +80 °C
Tolerance class
PN
Type of rolling elements
Balls
Version
Low design
Reference
NAS25ALZ
Additional Reference:
10129291
Quick Order Code
BB-518161
Product Description
The NAS25 ALZ NSK Carriage is a precision-engineered linear motion component designed for high-performance industrial applications requiring smooth, accurate linear travel. This block carriage delivers exceptional performance in demanding automation and machinery environments, featuring a compact low design ideal for space-constrained installations.
Key Specifications:
- Design: Block carriage configuration for versatile mounting applications
- Series: 25 series – part of NSK's comprehensive range of precision carriages
- Rolling Elements: Four-row ball type configuration providing superior load capacity and stability
- Version: Low design – optimized for applications with limited vertical space or specialized mounting requirements
- Preload: Light preload specification for smooth operation and reduced friction
Construction & Durability:
- Materials: Durable steel and plastic construction for long-term reliability
- Sealing: End seals and sealing strips protect against contamination
- Temperature Range: Operates effectively from -40 to +80°C, suitable for diverse environmental conditions
- Tolerance Class: PN precision standard for consistent performance
Maintenance & Operation:
- Lubrication: Relubrication via lubrication nipple for easy maintenance and extended service life
- Ball Chain: Without ball chain design for streamlined installation
Ideal Applications:
Perfect for CNC machinery, automation systems, robotics, industrial equipment, and other precision applications demanding reliable linear guidance solutions, particularly where compact form factors and low-profile installations are essential.

