Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Ball Screw Bearing Unit
Quick Code: BB-531423
EK20 THK Bearing unit
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Product Specification
Article type
Housing unit for locating arrangement with an angular contac
Bearing
2x 7204 in DF-set
Combination
EK/EF
Inner dimension
20mm
Lubrication
Greased
Material
Steel
Preload
With preload
Seal
With labyrinth seal
Version
Block design
Reference
EK20
Additional Reference:
10191110
Brand
THK
Quick Order Code
BB-531423
Product Description
The EK20 THK Bearing Unit is a precision housing unit designed for fixed-side support applications in ball screw drive systems. This unit combines advanced engineering with reliable performance for demanding linear motion applications.
Key Specifications:
- Inner Dimension: 20mm bore size
- Bearing Configuration: Dual 7204 angular contact bearings in DF-set arrangement
- Preload: Factory-adjusted preload for enhanced rigidity and precision
- Design: Block-style housing for compact, standardized mounting
- Material: High-quality steel construction
Lubrication & Sealing:
- Lubrication Type: Pre-greased with long-life lithium soap-group grease
- Seal System: Labyrinth seal design for extended operational life and contamination protection
- Maintenance: Sealed design enables extended periods of operation with minimal maintenance
Applications:
The EK20 is ideal for use as a fixed-end bearing support unit in precision ball screw assemblies, particularly in:
- CNC machine tools and automation equipment
- Industrial positioning systems
- High-precision linear motion applications
- Applications requiring JIS Class 5 angular bearing precision
This bearing unit combines the EK/EF combination series features, ensuring compatibility with THK's BNK precision ball screws and delivering the angular contact bearing accuracy required for demanding mechanical applications.
