2. Anti-drop ball bearing retention mechanism for simplified installation and replacement
3. Japanese-manufactured steel balls ensuring superior sphericity and wear resistance (ISO3290 G10 compliant)
4. Enhanced oil-scraping wipers and upgraded dust-proof sealing system
5. Streamlined profile with concealed fasteners protecting sealing strips and eliminating large particulate contamination
Category: Linear Guides | Brand: AirTAC | Series: LRM
AirTAC LRM12L2X290S20AH Micro Linear Guide Rail Specifications
- Model: LRM12L2X290S20AH
- Series: LRM Micro Linear Motion Guide
- Rail width: 12mm
- Carriage type: L2 (Long type carriage)
- Effective stroke: 290mm
- Accuracy grade: Normal grade (C) / High precision (H) optional
- Dynamic load capacity: 1.45kN
- Static load capacity: 2.15kN
- Material: Carbon steel with chrome plating (rail) / Stainless steel (balls)
- Sealing: Triple labyrinth seal with grease retention
- Mounting hole spacing: 40mm (standard pattern)
- Operating temperature: -20℃ to 80℃
- Protection rating: IP54 (standard), IP58 optional
- Weight: 0.85kg (complete assembly)
- Dimensions: 330mm(L) × 24mm(W) × 15mm(H) (rail only)
- Carriage dimensions: 54mm(L) × 24mm(W) × 15mm(H)
Ultra-compact linear motion system featuring optimized ball recirculation design for smooth operation in confined spaces. The chrome-plated rail and stainless steel balls provide corrosion resistance, while the triple sealing system ensures long-term dust protection. Pre-loaded carriages (AH suffix) deliver minimal backlash for precision positioning.
- Medical device positioning stages
- Semiconductor wafer handling robots
- Desktop CNC milling machine axes
- High-speed 3D printer gantry systems
- Optical inspection equipment slides
- Laboratory automation instruments
 Installation recommendation: 
            Use torque-controlled mounting (0.8-1.2Nm) with parallel reference surfaces. 
            Apply lithium soap-based grease (ISO-LGGB2 grade) during assembly. 
            Avoid exposing to cutting fluids without protective covers.
 Installation recommendation: 
            Use torque-controlled mounting (0.8-1.2Nm) with parallel reference surfaces. 
            Apply lithium soap-based grease (ISO-LGGB2 grade) during assembly. 
            Avoid exposing to cutting fluids without protective covers.
        | Property | Property Value | 
|---|---|
| sku | LRM12L2X290S20AH | 
| Slide Rail Width | 12mm | 
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.
 
              



