Airtac LRM Miniature Linear Guide LRM12N2X420S10BHT
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 LRM12N2X420S10BHT Miniature Linear Guide Specifications
- Model: LRM12N2X420S10BHT
- Series: LRM ultra-compact linear rail system
- Rail width: 12mm
- Carriage quantity: 2 pre-mounted blocks (N2 designation)
- Effective stroke: 420mm (rail length: 420+[carriage length])
- Accuracy grade: Normal precision (C) / High precision (H) option
- Load capacity (dynamic):
- Basic dynamic load (C): 1,250N
- Basic static load (Co): 2,450N
- Ball diameter: 2.381mm (3/32")
- Preload level: Light preload (S10 code)
- Sealing type: Triple labyrinth seal with grease retention (B suffix)
- Material: Carbon steel with black oxide coating (HT treatment)
- Weight: 1.85kg/m (rail) + 0.32kg/carriage → Total ~1.85*(0.42) + 0.32*2 = 1.137kg
- Dimensions:
- Rail height: 12mm
- Carriage dimensions: 34mm(L) × 24mm(W) × 12.5mm(H) per block
- Mounting hole spacing: 30mm pitch (longitudinal)
- Operating temperature: -20℃ to 80℃
- Max speed: 2m/s
- Lubrication: Pre-lubed with VIGO grease (relubrication interval: 1,000km)
Ultra-slim linear motion solution combining high rigidity with minimal installation space. Features corrosion-resistant treatment and optimized ball circuit design for smooth movement consistency. The dual-carriage configuration enhances moment load capacity while maintaining compact dimensions.
- Precision optical alignment stages
- Desktop CNC router X/Y axes
- Semiconductor wafer handling robots
- Medical pipetting systems
- 3D printer gantry systems
- Automated microscope slide scanners
Installation guidance:
Ensure mounting surface flatness ≤0.02mm/m. Use 4.5Nm torque for M4 mounting screws.
Apply Loctite 243 to thread fasteners. Avoid particle contamination during assembly.
| Property | Property Value |
|---|---|
| sku | LRM12N2X420S10BHT |
| 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.