NSK RAA30ANK6Z Linear Guide
The NSK RAA30ANK6Z is a high-load roller guide slider from the RA series, designed for heavy-duty industrial machinery and precision automation equipment. It features a roller-type rolling element that delivers ultra-high load capacity and rigidity, with four-directional equal load characteristics (uniform load capacity and rigidity in vertical, horizontal, left, and right directions).
1. Product Overview
The NSK RAA30ANK6Z is a high-load roller guide slider from the RA series, designed for heavy-duty industrial machinery and precision automation equipment. It features a roller-type rolling element that delivers ultra-high load capacity and rigidity, with four-directional equal load characteristics (uniform load capacity and rigidity in vertical, horizontal, left, and right directions). Equipped with standard high-performance seals and compatible with the NSK K1™ lubrication unit, it ensures long-term maintenance-free operation and excellent dust resistance, making it ideal for applications requiring high rigidity, high load, and high reliability.
2. Core Technical Specifications (Official)
2.1 Load Ratings (N)
- Basic Dynamic Load Rating (C): 47,800 N
- Basic Static Load Rating (C₀): 58,500 N
2.2 Dimensional Data (mm)
| Parameter | Value |
|---|---|
| Assembly Height (H) | 42 |
| Slider Width (W2) | 60 |
| Slider Length (L) | 135.4 |
| Slider Mounting Hole Pitch (B×J) | 40×40 mm |
| Slider Mounting Hole | M8×1.25×11 (thread depth) |
| Rail Width (W1) | 28 |
| Rail Height (H1) | 40 |
| Rail Hole Pitch (F) | 80 mm |
| Rail Mounting Hole | 9×14×12 mm |
| Standard Rail Length Range | 100–3,500 mm (customizable) |
2.3 Physical & Performance Parameters
- Material: Special high-carbon chrome steel (NSK standard, C code)
- Accuracy Grade: P6 (precision grade, with K1 lubrication unit: K6)
- Preload: Medium preload (Z3, Z code indicates random-matching with preload)
- Operating Temperature: -20°C to +80°C
- Slider Weight: Approx. 1.068 kg (only slider,)
- Max. Travel Speed: Up to 1 m/s (with grease lubrication, VG68)
- Seal Configuration: Standard end seals + side seals (high dust resistance)
- Lubrication: Compatible with NSK K1™ lubrication unit (maintenance-free)
3. Key Features (Official)
- Ultra-High Load & Rigidity: Optimized roller layout and advanced analysis technology deliver world-class load capacity, suitable for heavy loads and impact resistance.
- Four-Way Equal Load: 4-row roller circuit design ensures uniform rigidity and load distribution in all directions, meeting complex load requirements.
- Smooth Motion: Equipped with a retainer to suppress roller skewing, reducing friction variation and ensuring stable positioning accuracy.
- High Dust Resistance: Standard high-performance seals block foreign matter intrusion, maintaining long-term initial performance.
- Random Matching: Rail and slider are interchangeable (P6/K6 grades only), enabling single-piece selection and flexible assembly.
- Maintenance-Free: NSK K1™ lubrication unit provides long-term automatic lubrication, reducing maintenance costs.
4. Applications
Suitable for: CNC machine tools, machining centers, industrial robots, semiconductor manufacturing equipment, medical device machinery, and high-precision automation production lines requiring high rigidity, high load, and stable motion.
