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 LRM12N2X420S10AHT Miniature Linear Guide Specifications
- Model Decode: LRM12-N2-X420-S10-A-HT
- LRM12: 12mm rail width
- N2: 2 blocks (carriages)
- X420: 420mm rail length
- S10: 0.01mm precision grade
- A: Aluminum alloy rail
- HT: High-temp seals
- Dynamic load capacity: 1,280N (C)
- Static load capacity: 2,650N (C0)
- Preload level: Medium (3-5% C)
- Roller material: GCr15 bearing steel (HRC 58-62)
- Rail hardness: 58-62 HRC
- Repeat positioning accuracy: ±0.003mm
- Operating temperature: -20℃ to 120℃
- Seal type: Triple labyrinth seal with stainless steel scrapers
- Lubrication: Pre-packed Molykote PG-65 grease
- Weight:
- Rail: 1.42kg/m → 420mm = 596g
- Block: 180g each → Total 360g
- Total system weight: 956g ±2%
- Dimensions:
- Rail: 420(L) × 12(W) × 15(H) mm
- Block: 34(L) × 24(W) × 19(H) mm per unit
- Mounting hole spacing: 30mm pitch
Ultra-compact linear motion solution with thermal-stable design, featuring chromium-plated raceways and zero-backlash adjustment. The HT variant uses fluorinated grease and Viton seals for sustained performance in 80℃+ environments. Includes anti-creep design for vertical installations.
- High-speed PCB laser drilling machines (X-Y stages)
- Pharmaceutical blister packaging systems
- 3D printer extruder head positioning
- Optical fiber alignment in telecom equipment
- Cleanroom wafer handling robots (ISO Class 3)
| Property | Property Value |
|---|---|
| sku | LRM12N2X420S10AHT |
| 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.



