Bearings
Linear Bearings & Shaft
Linear Carriages
NSK Carriages
Quick Code: BB-518145
NAH25 BNZ 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
High and long design
Reference
NAH25BNZ
Additional Reference:
10129258
Quick Order Code
BB-518145
Product Description
The NAH25 BNZ NSK Carriage is a high-performance linear motion component engineered for precision industrial applications requiring smooth, accurate linear travel. Part of NSK's 25 series of precision carriages, this block carriage design combines robust construction with advanced engineering to deliver reliable guidance solutions across demanding environments.
Key Features:
- Four-Row Ball Configuration: Superior load capacity and stability with four rows of precision ball rolling elements
- Block Carriage Design: Compact, versatile form factor suitable for space-constrained applications
- High and Long Design Version: Extended travel capabilities with increased load-bearing capacity for demanding industrial requirements
- Durable Construction: Steel and plastic materials engineered for longevity and reliable performance
- Light Preload Specification: Optimized for smooth operation and extended service life
- Advanced Sealing System: End seals and sealing strips provide comprehensive contamination protection for extended operational reliability
- Relubrication Capability: Integrated lubrication nipple enables convenient maintenance and relubrication throughout the carriage's service life
- PN Tolerance Class: Precision manufacturing ensures consistent performance and interchangeability
- Wide Temperature Range: Operates effectively between -40 to +80°C for versatile environmental applications
Ideal Applications:
The NAH25 BNZ is well-suited for automation systems, CNC machinery, robotics, and other industrial equipment requiring reliable linear guidance solutions with enhanced load capacity and extended travel capability.

