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 LRM12N2X90S7.5AH Miniature Linear Guide Specifications
- Model: LRM12N2X90S7.5AH
- Type: Compact recirculating ball linear guide system
- Rail width: 12mm
- Effective stroke: 90mm
- Block length: 56mm
- Overall dimensions (L×W×H): 146mm × 22mm × 14.5mm
- Weight: 280g ±5g
- Dynamic load capacity (C): 1,200N
- Static load capacity (C0): 2,400N
- Preload level: Medium (S7.5AH code)
- Accuracy grade: Normal grade (≤50μm/m)
- Number of carriage blocks: 2 (N2 designation)
- Seal type: Double-lip contact seals
- Material: Aluminum alloy carriage with hardened steel rails
- Operating temperature: -20℃ to 80℃
- Lubrication: Pre-lubricated with AKT-A2 grease
- Mounting hole pattern: 4×M3 threaded holes (pitch 40mm)
Ultra-slim linear motion solution combining high rigidity with minimal installation space. Features corrosion-resistant anodized surfaces and zero-backlash design through precision ball recirculation. The S7.5AH preload ensures smooth motion with reduced vibration, optimized for high-speed applications.
- Medical device positioning stages
- Semiconductor wafer inspection equipment
- 3D printer X/Y axis mechanisms
- Automated optical measurement systems
- Laboratory automation slide units
- Max speed: 2m/s (continuous)
- Acceleration: 30m/s² (peak)
- Repeat positioning accuracy: ±0.01mm
- Rolling friction coefficient: 0.002-0.003
| Property | Property Value |
|---|---|
| sku | LRM12N2X90S7.5AH |
| 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.



