Airtac LGC Series Cross Roller Guide Rail LGC4R8
Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC4R8 Crossed Roller Guide Specifications
- Model: LGC4R8 (LGC Series)
- Type: Crossed roller linear guide with integrated rails
- Rail width: 48mm (±0.01mm)
- Roller diameter: φ4.763mm (3/16") precision ground
- Preload levels: Medium (C2), High (C3)
- Dynamic load rating (C): 6,800N
- Static load rating (C0): 13,700N
- Stiffness: 1,050 N/μm (axial), 980 N/μm (radial)
- Repeat positioning accuracy: ±2μm
- Operating temperature: -10℃ to 80℃
- Sealing: Triple labyrinth seal + stainless steel scrapers
- Material: Bearing steel (SUJ2) raceways, alloy steel base
- Surface hardness: 58-62 HRC
- Weight per 100mm unit: 1.25kg
- Dimensions (W×H×L): 48mm × 35mm × Custom length (standard 500-2000mm)
- Mounting hole spacing: 40mm pitch (M6 threaded)
- Lubrication interval: 1,000km travel or 6 months
Ultra-precision crossed roller guide featuring zero-backlash operation and multi-directional load capacity. The LGC4R8's unique 45° V-groove roller arrangement provides equal stress distribution, achieving 30% higher moment resistance than comparable models. Hardened raceways with mirror finishing (Ra≤0.1μm) ensure smooth motion and extended service life.
- Semiconductor wafer handling robots
- Medical CT scanner gantry systems
- Precision coordinate measuring machines (CMM)
- Laser cutting head positioning stages
- Optical lens grinding equipment
Installation protocol:
Requires granite surface plate alignment (flatness ≤3μm/500mm).
Use torque wrench for M6 mounting bolts (4.9-5.8N·m).
Break-in period: 50 cycles at 20% rated speed before full operation.
| Property | Property Value |
|---|---|
| sku | LGC4R8 |
| Roller Outer Diameter | 4.0mm |
| Type | Please provide the specific AirTAC product attribute values you need translated, and I will return the accurate English terminology. |
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.