Airtac LGC Series Cross Roller Guide Rail LGC3B275R40-H
Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC Crossed Roller Guide LGC3B275R40-H Technical Details
- Full model code: LGC3B275R40-H
- Series: LGC3B (Heavy Load Precision Series)
- Effective rail length: 275mm ±0.02mm
- Roller diameter: 4.0mm (G10 precision grade)
- Dynamic load capacity: 12.5kN (C)
- Static load capacity: 24.8kN (C0)
- Preload level: Medium preload (P2 class)
- Roller arrangement: 90° orthogonal cross layout
- Number of blocks: 1 (standard carriage)
- Rail width: 40mm (mounting surface to center)
- Repeat positioning accuracy: ±2μm
- Max travel speed: 5m/s (with recommended lubrication)
- Sealing type: Triple labyrinth seal with grease retention
- Material: Induction-hardened S55C steel (HRC58+)
- Operating temperature: -15℃ to 80℃
- Protection rating: IP65 (with optional wipers)
- Weight: 3.8kg (rail + carriage assembly)
- Dimensions: 275mm(L) × 62mm(W) × 34mm(H)
Ultra-precision crossed roller guide employing alternating orthogonal rollers for multi-directional load support. Features vacuum-compatible design with hardened raceways and optimized preload distribution. Requires initial lubrication with ISO VG68-grade grease. Includes mounting datum surfaces on all sides for flexible installation.
- High-accuracy CNC rotary table bases
- Semiconductor wafer handling robots
- Optical inspection equipment Z-axis stages
- Precision grinding machine slides
- Medical CT scanner gantry movement systems
Mounting protocol:
Tighten mounting screws in diagonal sequence at 30%→70%→100% torque stages (recommended 4.5Nm).
Maintain 0.02mm/m straightness tolerance during rail alignment. Wipe rail surfaces with lint-free cloth
soaked in #10 spindle oil before first use.
| Property | Property Value |
|---|---|
| sku | LGC3B275R40-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.