Airtac LGC Series Cross Roller Guide Rail LGC4A280R25-H
Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC Crossed Roller Guide LGC4A280R25-H Technical Specifications
- Model: LGC4A280R25-H
- Type: High-precision crossed roller linear guide
- Rail width: 40mm
- Effective rail length: 280mm
- Roller diameter: 25mm (precision ground)
- Dynamic load capacity: 12.5kN
- Static load capacity: 28.4kN
- Accuracy grade: P5 (≤5μm/m positioning accuracy)
- Material: Bearing steel (SUJ2 equivalent) with multilayer chromium plating
- Operating temperature: -20℃ to 100℃
- Sealing: Triple labyrinth seal with grease retention
- Mounting hole pattern: 60mm × 40mm rectangular array (M6 threaded)
- Repeat positioning accuracy: ±0.002mm
- Max travel speed: 5m/s
- Preload class: Medium preload (C2)
- Weight: 2.8kg (complete assembly)
- Dimensions: 280mm(L) × 40mm(W) × 30mm(H)
- Protection rating: IP67 (dust/water resistant)
Ultra-precision crossed roller guide system featuring 90° V-groove design for simultaneous control of radial and axial loads. The alternating orthogonal roller arrangement achieves near-zero clearance operation with optimized stress distribution. Includes hardened raceways (HRC60+) and pre-lubricated with Kluber Isoflex NBU15 grease for maintenance-free operation.
- Semiconductor wafer handling robots
- Medical CT scanner gantry systems
- Precision optical alignment stages
- High-speed CNC coordinate measuring machines
- Lithography equipment linear motion systems
Installation protocol:
Requires surface flatness ≤0.01mm/m and parallelism ≤0.02mm/m between rails.
Torque mounting bolts to 4.5N·m ±10% in crisscross sequence. Thermal compensation
needed when ambient temperature varies >±5℃ during operation.
| Property | Property Value |
|---|---|
| sku | LGC4A280R25-H |
| Roller Outer Diameter | 4.0mm |
| Type | Three-column |
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.