Airtac LGC Series Cross Roller Guide Rail LGC3B75R11-H
Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC3B75R11-H Cross Roller Guide Specifications
- Model: LGC3B75R11-H
- Series: LGC3B (Heavy Load Precision Series)
- Rail width: 75mm
- Carriage length: 110mm
- Roller diameter: φ3.5mm (chrome steel)
- Preload class: Medium (C3)
- Dynamic load capacity: 18.5kN
- Static load capacity: 31.5kN
- Rigidity: 280N/μm
- Accuracy grade: P5 (High Precision)
- Mounting hole pattern: 60mm × 90mm
- Weight per carriage: 1.85kg
- Rail weight: 3.2kg/m
- Dimensions (carriage): 110mm(L) × 75mm(W) × 28mm(H)
- Operating temperature: -10℃ to 80℃
- Lubrication: Pre-packed grease (Relubrication interval: 1,000km)
- Surface treatment: Black oxide coating (MIL-DTL-13924D)
Ultra-precision cross roller guide with staggered roller arrangement, delivering near-zero backlash and exceptional moment load resistance. Features hardened raceways (HRC58-62) and optimized roller contact angles for CNC machining centers. Includes integrated sealing strips with multi-layered dust protection (IP65 equivalent).
- 5-axis CNC rotary tables
- Semiconductor wafer handling robots
- Optical grinding machine Z-axis
- Coordinate measuring machine stages
- High-speed laser cutting rotary units
Installation protocol:
Requires mounting surface flatness ≤0.01mm/m and roughness Ra1.6.
Torque M6 screws to 8.8Nm ±10% using crisscross pattern.
Thermal compensation recommended for installations with >5℃/m temperature gradients.
| Property | Property Value |
|---|---|
| sku | LGC3B75R11-H |
| Roller Outer Diameter | <3.0mm> |
| 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.