Airtac LGC Series Cross Roller Guide Rail LGC3A75R11-H
Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC Cross Roller Guide LGC3A75R11-H Technical Specifications
- Model: LGC3A75R11-H
- Series: LGC (Cross Roller Guide Standard Type)
- Rail type: Double-row cylindrical roller design
- Nominal width: 75mm
- Roller diameter: φ6.35mm
- Basic dynamic load rating: 28.6kN
- Basic static load rating: 53.9kN
- Precision grade: P5 (High precision)
- Material: Bearing steel GCr15 with black oxide coating
- Sealing: Multi-lip rubber seals + stainless steel scrapers
- Temperature range: -20℃ to 100℃
- Mounting hole pattern: 60mm × 60mm grid (M6 threaded holes)
- Preload level: Medium preload (C2)
- Repeat positioning accuracy: ±0.003mm
- Protection rating: IP65 (Dust-tight & protected against water jets)
- Lubrication: Grease-filled with relubrication ports
- Service life: 10,000km travel (under rated load)
- Weight per meter: 8.7kg/m
- Standard carriage dimensions: 160mm(L) × 75mm(W) × 45mm(H)
- Rail height: 45mm
High-precision cross roller guide featuring ultra-compact profile and exceptional moment load capacity. The staggered 90° roller arrangement provides equal load distribution in all directions, achieving 3-5 times higher rigidity than conventional linear guides. Hardened raceways with mirror finishing (Ra≤0.2μm) ensure smooth motion and minimal noise. Includes integrated oil retention grooves for extended maintenance intervals.
- Semiconductor wafer handling robots
- Medical CT scanner gantry systems
- 5-axis CNC rotary tables
- Precision optical alignment stages
- Automated coordinate measuring machines
- Lithography equipment components
Installation note:
Requires mounting surface flatness ≤0.01mm/m and parallelism ≤0.02mm between rails.
Use torque wrench (8-10N·m for M6 screws) with Loctite 243 threadlocker.
Perform initial run-in at 20% rated speed for 30 minutes.
| Property | Property Value |
|---|---|
| sku | LGC3A75R11-H |
| Roller Outer Diameter | <3.0mm> |
| 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.