Airtac LRM Miniature Linear Guide LRM12L1X90S7.5AH
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 LRM12L1X90S7.5AH Miniature Linear Guide Specifications
- Model: LRM12L1X90S7.5AH
- Type: Compact recirculating ball linear guide system
- Rail width: 12mm
- Carriage length: 53mm
- Total travel length: 90mm (effective stroke)
- Dynamic load rating (C): 1,250N
- Static load rating (C0): 2,400N
- Preload level: S7.5 (medium-high preload)
- Accuracy grade: AH (Advanced High) ±0.005mm/m
- Ball diameter: 2.381mm
- Material: Chrome-plated carbon steel rail / Aluminum alloy carriage
- Sealing: Triple labyrinth seal with grease retention
- Operating temperature: -20℃ to 80℃
- Protection rating: IP54 (standard seals)
- Lubrication: Pre-lubricated with VG2 grease
- Mounting hole pattern: M3 threaded, 30mm spacing
- Weight: 480g ±2% (complete assembly)
- Dimensions: 142mm(L) × 22mm(W) × 15.5mm(H) (rail + carriage)
Precision-engineered miniature guide system featuring optimized stress distribution and 4-row circular arc groove design. The LRM12 series combines high rigidity with a compact footprint, utilizing staggered ball arrangement to minimize vibration harmonics. Includes alignment marks for simplified installation and corrosion-resistant treatment for industrial environments.
- High-speed pick-and-place robotic end effectors
- Precision optical lens positioning stages
- Medical analyzer instrument slides
- Semiconductor wafer inspection equipment
- Desktop CNC engraving machine Z-axis
Installation recommendation:
Apply 24-28 N·m torque for rail mounting screws. Maintain 0.02mm/m
parallelism tolerance between rails. Run-in with 50% speed for
initial 500 cycles to optimize grease distribution.
| Property | Property Value |
|---|---|
| sku | LRM12L1X90S7.5AH |
| 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.