Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Ball Screw Bearing Unit
Quick Code: BB-532869
PLBU25 CN Ewellix Bearing unit
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Product Specification
Article type
Housing unit for locating arrangement with an angular contac
Bearing
2x 7303 BEGA
Inner dimension
25mm
Lubrication
Greased
Material
Burnished steel
Nut provided
1x CN70-17
Preload
With preload
Scope of delivery
Two seals for radial shaft
Seal
With seal
Version
Block design
Reference
PLBU25 CN
Additional Reference:
10215473
Brand
Ewellix
Quick Order Code
BB-532869
Product Description
The PLBU25 CN Ewellix Bearing Unit is a precision locating support unit designed for fixed-side mounting applications in ball screw drive systems. This block-design housing unit is engineered to provide rigid axial positioning with factory-adjusted preload, making it ideal for applications requiring precise shaft location and high load capacity.
Key Specifications:
- Inner Dimension: 25mm shaft diameter
- Bearing Configuration: 2x 7303 BEGA angular contact ball bearings
- Housing Type: Block design for compact, rigid mounting
- Article Type: Locating arrangement with angular contact bearings
- Material: Burnished steel construction for durability and reliability
- Preload: With factory-adjusted preload for optimal shaft positioning
- Lubrication: Greased for extended operational life and low maintenance
- Seal Type: With seals - includes two radial shaft seals for enhanced protection
- Nut Provided: 1x CN70-17 for ball screw nut integration
- Scope of Delivery: Includes two seals for radial shaft protection
Performance Features:
- Locating Design: Angular contact bearings with factory preload ensure precise axial shaft positioning, making this unit ideal for the fixed end of ball screw assemblies
- High Rigidity: Dual angular contact bearing arrangement provides excellent radial and axial load capacity for demanding applications
- Enhanced Sealing: Two radial seals offer superior protection against contamination and maintain long-term bearing integrity
- Optimized Lubrication: Pre-greased bearings minimize maintenance requirements while ensuring smooth, reliable operation
- Compact Mounting: Block design enables space-efficient installation while maintaining robust performance
Applications:
The PLBU25 CN is an excellent choice for precision machinery requiring fixed-point support in larger-diameter ball screw systems, including:
- High-precision machine tools and CNC systems
- Industrial automation equipment with larger shaft diameters
- Heavy-duty precision assembly systems
- Automated manufacturing machinery requiring rigid positioning
- Precision positioning applications with significant axial loads
When paired with a non-locating floating-side bearing unit (such as BF-series), the PLBU25 CN completes a robust, standardized ball screw support system capable of reliable long-term operation with minimal maintenance requirements.
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