2. High Rigidity Four-Directional Equal Load Design: Incorporates 4-row ball circuits with 45° contact angle configuration, achieving optimal two-point contact for bidirectional radial/lateral load capacity. Optional preload application enhances system rigidity when required.
3. Interchangeability: Stringent manufacturing precision ensures dimensional consistency within stable tolerances. Integrated retainer design prevents ball dislodgement, enabling between and matching guideways while preserving operational smoothness, preload integrity, and motion accuracy.
Category: Linear Guides | Brand: AIRTAC | Series: LSH
AirTAC LSH20HN2X640S20AN-M6 Linear Guide Rail Specifications
- Model: LSH20HN2X640S20AN-M6
- Series: LSH Heavy-Duty Precision Series
- Rail width: 20mm (nominal size)
- Rail height: 18mm ±0.1mm
- Effective length: 640mm (excluding end machining)
- Block type: HN series - 4-row circular arc contact design
- Preload level: S20AN (Medium preload: 3-5% Ca)
- Accuracy grade: Normal grade (≤18μm/1000mm)
- Roller material: GCr15 bearing steel (HRC 58-62)
- Rail material: Carbon steel (SCM435, induction hardened)
- Mounting hole spacing: 60mm standard pitch
- Fastener specification: M6×10mm stainless steel screws (ISO 4762)
- Static load capacity (C0): 18.6kN
- Dynamic load capacity (C): 14.2kN
- Max speed: 5m/s (with proper lubrication)
- Operating temperature: -20℃ to 100℃
- Protection class: IP54 (standard seals)
- Weight: 3.8kg/m (rail) + 0.65kg/slider
- Dimensions:
- Rail: 640mm(L) × 20mm(W) × 18mm(H)
- Slider: 62mm(L) × 34mm(W) × 29mm(H)
High-rigidity linear motion system with optimized load distribution, featuring hardened raceways and chrome-plated shafts. The HN-series block incorporates double-lip seals with grease retention channels, supporting maintenance-free operation for up to 2,000km travel. Compatible with automatic lubrication systems through standard grease nipples (M6×1).
- CNC router Z-axis guidance systems
- Automated warehouse shuttle carts
- Glass cutting machine linear stages
- High-speed 3D printer gantry systems
- Semiconductor wafer handling robots
| Property | Property Value |
|---|---|
| sku | LSH20HN2X640S20AN-M6 |
| Slider Width | <20mm> |
| Slide Block Type | Square Body |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.



