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 LRM12N3X370S10BH Miniature Linear Guide Specifications
- Model: LRM12N3X370S10BH
- Type: Micro linear motion guide with 4-row ball recirculation
- Rail width: 12mm
- Carriage quantity: 1 block (N3 indicates 3-hole mounting pattern)
- Effective stroke: 370mm (±1mm tolerance)
- Dynamic load rating (C): 1,260N
- Static load rating (C0): 2,380N
- Accuracy grade: Normal grade (≤50μm/300mm)
- Seal type: Triple-lip contact seals + stainless steel scrapers
- Material: Carbon steel with black oxide coating (rails), hardened steel balls
- Operating temperature: -20℃ to 80℃
- Protection rating: IP54 (standard dust/water resistance)
- Lubrication: Pre-lubricated with VIGO grease (relubrication interval: 1,000km)
- Repeat positioning accuracy: ±0.005mm
- Weight: 1.85kg (complete assembly)
- Dimensions: 370mm(L) × 24mm(W) × 15.5mm(H) (rail only)
- Carriage dimensions: 60mm(L) × 24mm(W) × 15.5mm(H)
Ultra-compact linear guide system optimized for space-constrained precision applications. Features staggered ball groove design for equal load distribution and zero mechanical play through adjustable preload (BH suffix indicates medium preload grade). The corrosion-resistant coating withstands 96hr salt spray testing, making it suitable for cleanroom and medical environments.
- Medical imaging equipment Z-axis positioning
- Semiconductor wafer inspection stages
- Desktop CNC router gantry systems
- 3D printer extruder carriage assemblies
- Optical lens alignment mechanisms
- Laboratory automation sample handlers
- Requires mounting surface flatness ≤0.02mm/m
- Use M3×6mm flat head screws (3.5N·m torque limit)
- Align rail with ≤0.05mm parallelism using master carriage
- Apply lithium-based grease to seals during maintenance
- Avoid lateral moment loads exceeding 18N·m
| Property | Property Value |
|---|---|
| sku | LRM12N3X370S10BH |
| 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.



