Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Ball Screw Bearing Unit
Quick Code: BB-531425
FK5 THK Bearing unit
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Product Specification
Article type
Housing unit for locating arrangement with an angular contac
Bearing
2x AC5-14 in DF-set
Combination
FK/FF
Inner dimension
5mm
Lubrication
Greased
Material
Steel
Preload
With preload
Seal
With labyrinth seal
Version
Flange design
Reference
FK5
Additional Reference:
10191112
Brand
THK
Quick Order Code
BB-531425
Product Description
The FK5 THK Bearing Unit is a precision ball screw bearing support unit designed for fixed-side mounting applications. This flange-design housing unit is engineered to work seamlessly with THK's precision ball screw systems and is ideal for applications requiring stable, reliable linear motion with minimal runout.
Key Specifications:
- Inner Dimension: 5mm shaft diameter
- Bearing Configuration: 2x AC5-14 angular contact bearings in DF-set arrangement
- Combination Type: FK/FF compatible pairing for complete screw support systems
- Preload: Factory-adjusted preload for enhanced rigidity and positioning accuracy
- Lubrication: Pre-greased with lithium soap-group grease for extended service life
- Seal Type: Labyrinth seal for protection against contaminants
- Material: Steel construction for durability
- Design: Flange-mount configuration for secure, space-efficient installation
Application Benefits:
The FK5 is an excellent choice for precision machinery requiring accurate linear positioning, including:
- Industrial automation equipment
- Machine tools and CNC systems
- Medical and laboratory instrumentation
- Semiconductor processing equipment
- Precision assembly systems
The JIS Class 5-compliant angular contact bearings with pre-adjusted preload ensure smooth operation and long-term reliability, while the sealed greased design eliminates the need for regular maintenance.
