NSK Linear Guide LAW35ELZ
The NSK LAW35ELZ is a high-performance wide-profile linear guide with a flanged-type slide block, purpose-built for single-rail linear motion systems requiring exceptional rolling moment rigidity and stable precision. Engineered with NSK's 50° offset Gothic arch ball groove and four-row equal-load designNSK, it delivers superior vertical load capacity, impact resistance, and four-way load handling. The "Z" suffix denotes Z1 (Slight) standard preload for enhanced rigidity.
1. Product Overview
The NSK LAW35ELZ is a high-performance wide-profile linear guide with a flanged-type slide block, purpose-built for single-rail linear motion systems requiring exceptional rolling moment rigidity and stable precision. Engineered with NSK's 50° offset Gothic arch ball groove and four-row equal-load design, it delivers superior vertical load capacity, impact resistance, and four-way load handling. The "Z" suffix denotes Z1 (Slight) standard preload for enhanced rigidity. Fully interchangeable rails/slides ensure short delivery and flexible assembly.
2. Key Dimensions (mm, Official NSK Catalog A-5-1.4)
| Parameter | Value |
|---|---|
| Nominal Rail Size | 35 |
| Assembly Height (H) | 31 |
| Rail Height (H1) | 19 |
| Rail Width (W1) | 69 |
| Slide Block Length (L) | 108 |
| Slide Block Width (W) | 120 |
| Slide Mounting Hole Pitch (L1×W1) | 60 × 84 |
| Slide Mounting Hole | M8 × 1.25 × 14 |
| Rail Mounting Hole Pitch | 80 |
| Rail Mounting Hole Size | 9 × 14 × 11 |
| Lubrication Port | M6 × 0.75 |
| Approx. Slide Weight | 1.54 kg |
3. Load Ratings (N, Official)
| Rating Type | Value |
|---|---|
| Basic Dynamic Load Rating (C) | 33,000 |
| Basic Static Load Rating (C₀) | 63,600 |
| Basic Static Moment (My₀) | 1,020 N·m |
| Basic Static Moment (Mr₀) | 2,580 N·m |
4. Performance Specifications (Official)
- Preload (Standard): Z1 (ZZ) – Slight Preload
- Preload Options: Z0 (Clearance), Z1 (Standard), Z3 (Medium)
- Max. Allowable Speed: 150 m/min (2.5 m/s)
- Operating Temperature: -10°C to +80°C
- Accuracy Grades: PN (Normal), P6, P5
- Material: High-Carbon Chromium Steel (Standard)
- Sealing: Dual End Seals + Side Seals + Bottom Seals (Standard)
- Ball Retention: Retainer-equipped; Balls do not fall out when slide is removed
- Lubrication: Standard relubrication; Optional NSK K1-L™ Maintenance-Free Unit
5. Core Features & Benefits (Official)
- Single-Rail Optimized: Wide rail geometry provides exceptional rigidity against rolling moments.
- 50° Contact Angle: Maximizes vertical load capacity and directional rigidity.
- Four-Row Equal Load: Handles loads in all four directions with uniform performance.
- High Precision: Easy-to-measure Gothic arch grooves ensure superior running accuracy.
- Interchangeable: Random-match rails/slides simplify assembly and reduce lead times.
- Low Noise & Smooth: Optimized ball recirculation for quiet, stable motion.
- Maintenance-Free Option: K1-L lubrication extends service intervals.
6. Typical Applications
Ideal for semiconductor manufacturing equipment, precision measuring instruments, LCD panel production lines, single-axis robots, automated pick-and-place systems, injection molding machine pickers, packaging machinery, and industrial automation requiring wide, stable, low-profile linear motion.
