ND040XP4A
1/2" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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ND040XP4A Bearing Product Overview & Core Advantages
The ND040XP4A is a high-performance Four Point Contact Ball Bearing designed for applications demanding high precision and compact design. Manufactured to ABEC 5F tolerance standards, this thin section bearing excels in handling combined radial and axial loads simultaneously. Its Endura-kote Chromium Plating enhances corrosion resistance, making it suitable for harsh environments. The bearing's inch dimensions (4" bore, 5" OD, 0.5" width) and robust construction provide a reliable solution for space-constrained, high-load scenarios.
ND040XP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| ND040 | Bearing series designation with 4" bore diameter |
| XP4 | Indicates Four Point Contact design for combined loading capability |
| A | Refers to Endura-kote Plated surface treatment for enhanced durability |
| Open | No seals, allowing for custom lubrication schemes |
ND040XP4A Bearing Structural Features & Performance Benefits
Four Point Contact Design: Enables the bearing to handle significant combined radial and axial loads (2311 lbf dynamic radial, 3520 lbf dynamic axial) with minimal cross-section, making it ideal for compact bearing arrangements.
Precision Engineering: Manufactured to ABEC 5F tolerance class with tight dimensional controls (bore tolerance: -0.0008"– 0") ensures high running accuracy and smooth operation.
Enhanced Material Composition: Features Chrome Steel rings and balls with Brass cage for optimal strength and wear resistance. The Chromium Plating provides superior corrosion protection.
Optimized Load Capacity: With radial internal clearance of .0000" to .0005", the bearing maintains precise operation under varying thermal conditions while supporting high static load moments (6930 lbf).
ND040XP4A Bearing Typical Application Areas
- Robotics and Automation: Rotary joints and manipulator arms requiring high precision and compact bearing solutions
- Aerospace Systems: Actuators, control mechanisms, and instrumentation where lightweight design and reliability are critical
- Medical Equipment: CT scanners and surgical robots demanding high accuracy and corrosion resistance
- Industrial Machinery: Rotary tables, indexing heads, and other precision positioning equipment
- Defense Systems: Radar antennas and guidance systems requiring high load capacity in limited spaces
