Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Ball Screw Bearing Unit
Quick Code: BB-531421
EK8 THK Bearing unit
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Product Specification
Article type
Housing unit for locating arrangement with an angular contac
Bearing
2x 79M8A in DF-set
Combination
EK/EF
Inner dimension
8mm
Lubrication
Greased
Material
Steel
Preload
With preload
Seal
With labyrinth seal
Version
Block design
Reference
EK8
Additional Reference:
10191106
Brand
THK
Quick Order Code
BB-531421
Product Description
The EK8 THK Bearing Unit is a precision ball screw bearing support unit designed for fixed-side applications in linear ball screw drive systems. This compact unit is engineered to deliver reliable performance in precision machinery and automation equipment.
Key Specifications:
- Inner Dimension: 8mm
- Bearing Configuration: 2x 79M8A angular contact bearings in DF-set arrangement
- Design: Block design housing unit for locating arrangement
- Material: Steel construction
Performance Features:
- Preload: Factory-adjusted preload for enhanced rigidity and precision
- Lubrication: Pre-greased with lithium soap-group grease for extended service life
- Seal: Labyrinth seal design for superior protection against contamination
- JIS Compliance: Meets JIS Class 5 standards for angular contact bearings
Applications:
The EK8 is ideal for precision ball screw systems requiring compact, fixed-side support with high positional accuracy. It is commonly used in:
- CNC machine tools and automation equipment
- Precision positioning systems
- Industrial machinery with limited space requirements
- Applications demanding long-term reliability with minimal maintenance
The combination of pre-applied grease and robust sealing ensures extended operational periods without requiring frequent lubrication, making it a cost-effective solution for demanding industrial environments.
