NSK LH200090AN Linear Guide
The NSK LH200090AN is a standard compact linear guide from the LH series, featuring a 4-row Gothic arch ball groove design that delivers equal load capacity and rigidity in four directions (up, down, left, right). Optimized for general automation and precision machinery, it offers smooth motion, stable accuracy, and interchangeable rails/sliders, with standard sealing for dust protection.
1. Product Overview
The NSK LH200090AN is a standard compact linear guide from the LH series, featuring a 4-row Gothic arch ball groove design that delivers equal load capacity and rigidity in four directions (up, down, left, right). Optimized for general automation and precision machinery, it offers smooth motion, stable accuracy, and interchangeable rails/sliders, with standard sealing for dust protection.
2. Core Official Specifications (mm / N)
2.1 Dimensional Parameters
| Parameter | Value |
|---|---|
| Rail Width (W) | 20 |
| Rail Height (H1) | 18 |
| Assembly Height (H) | 30 |
| Slider Width (W1) | 44 |
| Slider Length (L) | 69.8 |
| Slider Mounting Hole Pitch (B×C) | 32×36 |
| Slider Mounting Hole | M5×0.8×6 (depth) |
| Rail Length | 90 |
| Rail Hole Pitch (F) | 60 |
| Rail Mounting Hole | 6×9.5×8.5 |
2.2 Load & Performance Ratings
- Basic Dynamic Load Rating (C): 18,800 N
- Basic Static Load Rating (C₀): 26,700 N
- Material: High-carbon chrome bearing steel
- Accuracy Grade: Normal (N)
- Preload: Standard (Z)
- Operating Temperature: -40°C to +80°C
- Slider Weight: Approx. 0.42 kg
- Max. Speed: Up to 1.5 m/s
- Standard Lubrication: Grease (VG68)
- Seals: Standard end seals + side seals
3. Key Official Features
- 4-Way Equal Load: 4-row ball circuit design provides uniform rigidity in all directions.
- Self-Aligning Capability: Absorbs installation errors for smooth movement.
- Interchangeability: Rails and sliders are interchangeable for flexible assembly.
- Ball Retainer: Prevents ball fallout during handling.
- Dust-Resistant Seals: Standard seals block contaminants.
- Compact & Lightweight: Ideal for space-limited installations.
4. Applications
Suitable for: Semiconductor equipment, automated assembly lines, measuring instruments, medical devices, and general precision machinery.
