Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Ball Screw Bearing Unit
Quick Code: BB-531424
FK4 THK Bearing unit
The FK4 THK Bearing Unit is a precision housing unit designed for fixed-side support applications in ball screw drive systems. This compact bearing unit features a flange design and is engineered to work seamlessly with FF-series units in FK/FF combination arrangements.
Key Specifications:
- Inner Dimension: 4mm shaft size
- Bearing Configuration: 2x AC4-12 angular contact bearings in DF-set arrangement
- Preload: Pre-adjusted preload for enhanced rigidity and precision
- Lubrication: Factory-greased with lithium soap-group grease for extended operation
- Seal Type: Labyrinth seal design for reliable contamination protection
- Material: Steel construction for durability and load-bearing capability
- Design: Flange-mounted housing unit
Application Benefits:
This bearing unit is ideal for precision positioning systems, CNC machinery, and automated equipment where reliable ball screw support is critical. The JIS Class 5-compliant angular contact bearings provide excellent radial and axial load capacity, while the labyrinth seal ensures long-term performance even in moderately contaminated environments. The pre-lubricated design minimizes maintenance requirements and allows for extended periods of uninterrupted operation.
Brand: THK | Reference: FK4
