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 LRM Micro Linear Guide LRM12N1X240S7.5AH Specifications
- Model: LRM12N1X240S7.5AH
- Series: LRM12 (12mm rail width)
- Structure: Miniature square rail with 4-row ball recirculation
- Effective stroke: 240mm ±0.5mm
- Total length: 292mm (including end seals)
- Rail dimensions: 12(W) × 18(H) × 292(L) mm
- Block dimensions: 32(W) × 24(H) × 50(L) mm
- Weight: 1.25kg (complete assembly)
- Load capacity: 
            - Dynamic: 1.5kN (C)
- Static: 3.2kN (C0)
- Moment load: 60Nm (MR)
 
- Accuracy grade: C7 (High precision)
- Preload level: Z0 (Light preload)
- Ball diameter: 2.381mm (3/32")
- Material: 
            - Rail: Carbon steel (SCM440) with black oxide coating
- Block: Aluminum alloy (ADC12)
 
- Operating temperature: -20℃ to 100℃
- Lubrication: Pre-packed grease (Molykote EM-50L)
- Sealing: Triple labyrinth seal with stainless steel scrapers
Ultra-compact linear motion solution combining high rigidity with minimal space requirements. Features corrosion-resistant treatment and optimized ball path geometry for smooth movement under medium loads. The "S7.5AH" suffix indicates special lead screw integration (7.5mm lead, anti-backlash nut).
- Precision optical alignment stages
- 3D printer X/Y axis mechanisms
- Medical pipetting robots
- Semiconductor wafer inspection equipment
- Miniature CNC engraving heads
 Mounting advice: 
            Maintain 0.02mm/m straightness on mounting surface. Use torque-controlled tightening sequence (0.8-1.2Nm for M4 screws). 
            Perform initial run-in at 50% speed for 100 cycles. Relubricate every 100km travel.
 Mounting advice: 
            Maintain 0.02mm/m straightness on mounting surface. Use torque-controlled tightening sequence (0.8-1.2Nm for M4 screws). 
            Perform initial run-in at 50% speed for 100 cycles. Relubricate every 100km travel.
        | Property | Property Value | 
|---|---|
| sku | LRM12N1X240S7.5AH | 
| 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.
 
              



