Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Ball Screw Bearing Unit
Quick Code: BB-531419
EK4 THK Bearing unit
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Product Specification
Article type
Housing unit for locating arrangement with an angular contac
Bearing
2x AC4-12 in DF-set
Combination
EK/EF
Inner dimension
4mm
Lubrication
Greased
Material
Steel
Preload
With preload
Seal
With labyrinth seal
Version
Block design
Reference
EK4
Additional Reference:
10191104
Brand
THK
Quick Order Code
BB-531419
Product Description
The EK4 THK Bearing Unit is a precision housing unit designed for fixed-side support applications in ball screw drive systems. This bearing unit is engineered to provide reliable axial support with an adjusted preload, making it ideal for applications requiring high accuracy and long-term durability.
Key Specifications:
- Inner Dimension: 4mm shaft compatibility
- Bearing Configuration: 2x AC4-12 angular contact bearings in DF-set arrangement for optimal load distribution
- Design: Block design housing for compact, easy installation
- Preload: Pre-adjusted to ensure consistent performance and eliminate play
- Lubrication: Factory-greased with lithium soap-based grease for extended service life without frequent maintenance
- Sealing: Labyrinth seal protection against contamination while allowing minimal friction
- Material: Steel construction for durability and load-bearing capacity
- Combination Type: EK/EF series compatibility for standardized integration
Applications:
The EK4 is ideal for precision machinery applications including:
- CNC machine tools requiring fixed bearing support
- Automated assembly equipment
- Industrial robotics with ball screw actuation
- Compact linear motion systems where space is limited
The combination of angular contact bearings with pre-applied preload ensures minimal backlash and exceptional rigidity, making this bearing unit suitable for high-precision, high-speed applications where reliability and accuracy are paramount.
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