Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC Cross Roller Guide LGC1B20R7-H Technical Specifications
- Model: LGC1B20R7-H
- Type: Precision cross roller linear guide
- Rail width: 20mm
- Number of blocks: 1 (single carriage)
- Roller arrangement: 90° orthogonal cross layout
- Preload class: Medium preload (R7 grade)
- Dynamic load rating (C): 5,800N
- Static load rating (C0): 9,200N
- Stiffness: 280N/μm (radial direction)
- Accuracy grade: Normal class (≤15μm/4m)
- Sealing: Double-sided wiper seals + grease retainers
- Lubrication: Pre-lubricated with VG2 grease
- Material: Carburized steel (HRC58-62)
- Mounting hole spacing: 60mm standard pitch
- Weight: 2.5kg/m (rail) + 0.8kg (block)
- Dimensions (L×W×H):
- Standard rail length: 1000mm (customizable)
- Block size: 60mm(L) × 34mm(W) × 27mm(H)
- Rail height: 20mm
- Operating temperature: -10℃ to 80℃
- Vibration resistance: 49m/s² max
High-rigidity cross roller guide with optimized stress distribution, featuring alternating orthogonal rollers for multi-directional load capacity. The chrome-plated raceway surface ensures corrosion resistance and smooth motion characteristics. Designed for applications requiring minimal elastic deformation under heavy moment loads.
- CNC rotary table bearing replacement
- Precision optical stage positioning
- Semiconductor wafer handling robots
- Medical CT scanner gantry systems
- 5-axis machining center swivel heads
- Maximum allowable moment: 820N·m (MR), 410N·m (MP)
- Surface roughness requirement: Ra0.8 or better on mounting surfaces
- Storage humidity: Below 70% RH (anti-corrosion coating recommended)
| Property | Property Value |
|---|---|
| sku | LGC1B20R7-H |
| Roller Outer Diameter | 1.5mm |
| Type | Four-Row Type |
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.



