Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT
The AirTAC Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT is a miniature linear guide on a 12 mm stainless-steel rail with recirculating-ball carriage. It is the small end of the range, for light-duty precision positioning in a tight envelope — compact stages, small pick-and-place heads and inspection fixtures.
- SeriesLRM
- Supplied asComplete guide set
- SizeLRM12
- Rail width12 mm
- Carriage lengthStandard carriage
- Carriages1
- Rail length220 mm
- AccuracyP — precision grade
- PreloadC — medium preload
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT
The LRM12N1X220S10CPT is a complete miniature linear guide set in the size 12 range: one 220 mm stainless-steel rail, 12 mm wide, carrying a single standard-length recirculating-ball carriage. The trailing T in the code fixes the rail mounting as bottom-mount, so the fixing screws enter from underneath the rail and the top face stays completely clear for the moving assembly.
Three choices in this code shape its character. The C preload is the medium grade - the stiffest LRM offers, trading a measure of free sliding for less play under load - and the P grade is the tighter of the two accuracy classes. The recirculating balls inside the carriage are ISO 3290 G10 Japanese balls, chosen for roundness, while a double-lip seal plus an outer cover guard the raceway from swarf and dust. Ambient temperature must stay at or below 80 C, with transients no higher than 100 C. AirTAC publishes no load or moment rating for LRM, so we confirm the figures for this exact model when you send the RFQ.
Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT |
|---|---|
| Series | LRM Series Miniature Linear Guide |
| Supplied as | Complete guide set |
| Construction | Recirculating ball, stainless-steel rail, common-rail design |
| Size code | LRM12 |
| Rail width | 12 mm |
| Carriage length | Standard carriage |
| Carriages supplied | 1 |
| Rail length | 220 mm (spliced sections) |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | P — precision grade |
| Preload grade | C — medium preload |
| Mounting screws | M2 or M3 rail screws depending on size |
| Lubrication | Pre-filled with Kyodo Yushi PS No. 2; top up through the rear lubrication hole |
| Ambient temperature | Up to 80 °C ambient, 100 °C transient peak |
| Interchangeability | LRM carriages fit LRM rails of the same model |
Specifications follow the official AirTAC LRM catalogue. The catalogue does not publish load or moment ratings, running parallelism, speed limits, or carriage base material for LRM. We will not quote a figure we cannot source — ask us and we will confirm it for your model.
Model Code: Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| N | Standard carriage. |
| 1X220 | 1 carriage on a 220 mm rail. |
| S… | End-hole offset from the rail end, in mm. |
| C | C — medium preload — higher preload raises rigidity and tightens how flat the mounting surface must be. |
| P | P — precision grade. |
What Is In The Box
| This order | Complete guide set |
|---|---|
| Rail | Yes, 220 mm |
| Carriage | Yes, 1 |
Rail and carriage(s) supplied together, matched as a set. If you are not sure which form you need, send us the machine or the original part number and we will confirm it before you order.
Where the Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT Is Used
Optical inspection stage
A compact inspection camera stage in an electronics QC cell, where the precision grade and the bottom-mount rail keep the top surface free for the optics plate.
Small pick-and-place head
A benchtop PCB pick-and-place head sliding on a short-stroke guide, where the medium preload limits play at the nozzle.
Laser focus slide
A laboratory laser focusing slide, where the tighter precision tolerance helps keep the beam path repeatable between adjustments.
Is the Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT the Right Guide?
Because this is a preload C, precision-grade set on a bottom-mount rail, it fits a build where rigidity and hidden fixings matter more than the lightest possible sliding. If your application involves a substantial or cantilevered load, step up to the LSH series instead - it publishes per-carriage dynamic, static and moment ratings you can size against, which LRM does not. Where travel is short but crossed-roller rigidity is needed, LGC is the cross-over choice.
Before ordering, tick off this checklist: complete set form, 12 mm rail width, standard carriage length, one carriage on a 220 mm rail, medium preload (remember it firms up motion at the cost of drag), precision accuracy, bottom-mount rail direction, and a load rating confirmed with us rather than assumed.
Quick checklist
- ✓ Complete set, carriage only, or rail only?
- ✓ Load and moment confirmed with us
- ✓ Travel length and mounting space
- ✓ Accuracy grade and preload
- ✓ Mounting surface ground or finish-milled
- ✓ Pairing code, if replacing a part
Installation & Maintenance Notes
- check Mounting surface must be ground or finish-milled.
- check Torque the rail screws per the recommended figures, in sequence.
- check Keep the mounting corner radius inside the stated R maximum.
- check Do not angle the carriage onto the rail; balls can drop out.
- check Drive the supplied bolt caps into the mounting holes.
- check Re-grease every 100 km of travel or every 3–6 months.
- check Installation by qualified personnel per AirTAC docs.
Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT FAQ
Rail width 12 mm, rail length 220 mm, one standard-length carriage, medium preload (code C), precision accuracy (P), and a bottom-mount rail driven by screws from below. Fixing torque: M2 screws 58.8 N.cm into steel, 39.2 into cast iron, 29.4 into aluminium; M3 screws 196, 127 and 98 N.cm respectively. The carriage ships greased with Kyodo Yushi PS No. 2 and needs re-greasing every 100 km of travel or every 3 to 6 months. Ambient temperature must not exceed 80 C (100 C peaks). AirTAC publishes no load, moment or speed ratings for LRM - we confirm them per model before you order.
LRM is a miniature guide with no published load or moment figures, so numbers cannot be read off a table - send us the RFQ and we confirm the rating for this model. If your design carries a substantial or overhung load and needs published per-carriage dynamic, static and moment data to size against, LSH is the series built for that conversation. LGC covers the third case: short travel where crossed-roller rigidity matters more than a ball guide.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac LRM Miniature Linear Guide LRM12N1X220S10CPT
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours. We can also confirm the load and moment rating for this model.