Description
                  
                
LRM Miniature Linear Guide
1. Stainless steel construction with high rigidity, enabling shared guide rails across same-type carriages
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
    
        
             Mounting protocol: 
            Requires surface flatness ≤0.01mm/m and roughness Ra0.8. 
            Torque specifications: M3 screws @ 1.2N·m ±10%, 
            sequential tightening pattern mandatory. Thermal expansion 
            compensation recommended for installations exceeding 150mm span.
 Mounting protocol: 
            Requires surface flatness ≤0.01mm/m and roughness Ra0.8. 
            Torque specifications: M3 screws @ 1.2N·m ±10%, 
            sequential tightening pattern mandatory. Thermal expansion 
            compensation recommended for installations exceeding 150mm span.
        
    
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 LRM12L2X220S10APT Miniature Linear Guide Specifications
- Model: LRM12L2X220S10APT
- Series: LRM (Micro Rail)
- Rail Width: 12mm
- Total Length: 220mm
- Block Length: 56mm
- Preload Class: L2 (Light Preload)
- Load Capacity (Dynamic): 1.2kN (C)
 Static: 2.8kN (C0)
- Accuracy Grade: AP (Advanced Precision)
 Running Parallelism: ≤0.02mm
- Material: High Carbon Chrome Bearing Steel
 Hardness: HRC 58-62
- Seal Type: Triple-Lip Non-Contact Seals (S10)
- Temperature Range: -20℃ to 80℃
- Mounting Hole Spacing: 40mm (Longitudinal)
 30mm (Transverse)
- Ball Count: 28 per block
- Weight: 680g (rail) + 320g (block) = 1000g total
- Dimensions:
 - Rail: 220mm(L) × 12mm(W) × 15mm(H)
 - Block: 56mm(L) × 24mm(W) × 19mm(H)
- Repeat Positioning Accuracy: ±0.01mm
- Max Speed: 2m/s (with grease)
 5m/s (with oil-air lubrication)
- Protection Rating: IP54 (standard seals)
Ultra-compact linear motion solution with optimized preload for smooth operation in confined spaces. Features staggered ball circuit design for improved moment load capacity (Mx/My: 18Nm, Mz: 24Nm). The PT suffix indicates phosphate anti-corrosion treatment for humid environments.
            Ideal Applications:
            
        - Precision optical alignment stages
- Medical DNA sequencing equipment
- Semiconductor wafer inspection systems
- 3D printing extruder carriage assemblies
- Robotic joint actuators (6-axis collaborative robots)
 Mounting protocol: 
            Requires surface flatness ≤0.01mm/m and roughness Ra0.8. 
            Torque specifications: M3 screws @ 1.2N·m ±10%, 
            sequential tightening pattern mandatory. Thermal expansion 
            compensation recommended for installations exceeding 150mm span.
 Mounting protocol: 
            Requires surface flatness ≤0.01mm/m and roughness Ra0.8. 
            Torque specifications: M3 screws @ 1.2N·m ±10%, 
            sequential tightening pattern mandatory. Thermal expansion 
            compensation recommended for installations exceeding 150mm span.
        | Property | Property Value | 
|---|---|
| sku | LRM12L2X220S10APT | 
| Slide Rail Width | 12mm | 
                  Shipping policies
                  
                
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.
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