Airtac LRM Miniature Linear Guide LRM12N1X270S10CH
The AirTAC Airtac LRM Miniature Linear Guide LRM12N1X270S10CH 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 length270 mm
- AccuracyH — high 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 LRM12N1X270S10CH
LRM12N1X270S10CH is a complete AirTAC LRM miniature linear guide set: one 12 mm wide stainless-steel rail, 270 mm of it, carrying a single standard-length recirculating-ball carriage. The carriage ships mounted on the rail and pre-filled with Kyodo Yushi PS No. 2 grease, so the set is ready to bolt down and travel. Fixing is top-mount: the mating surface sits under the rail and is clamped through the rail's holes from above.
Preload C is the medium grade on this set: internal play is taken up for a firmer, more rigid feel, and in exchange the mounting surface must be ground or finish-milled to hold travel accuracy. The balls inside the carriage are ISO 3290 G10 grade, Japanese made, chosen for roundness and low wear; a double-lip seal scrapes oil and excludes dust while the outer cover shields the seal strip and hides the screws. Ambient temperature must stay at or below 80 C, with brief peaks to 100 C. AirTAC publishes no load or moment ratings for the LRM range, so capacity for this exact set is confirmed per model - send us the RFQ and we will return the figure. One more planning note: 924 of the 988 LRM sets we stock are size 12, so this width ships fastest.
Airtac LRM Miniature Linear Guide LRM12N1X270S10CH Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12N1X270S10CH |
|---|---|
| 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 | 270 mm |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | H — high 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 LRM12N1X270S10CH
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| N | Standard carriage. |
| 1X270 | 1 carriage on a 270 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. |
| H | H — high grade. |
What Is In The Box
| This order | Complete guide set |
|---|---|
| Rail | Yes, 270 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 LRM12N1X270S10CH Is Used
PCB glue-dispensing XY stage
A compact dispensing head shuttling across a printed circuit board needs repeatable short strokes in a tight envelope; the 12 mm rail and standard carriage fit where a full-size guide will not.
Optical inspection slide
A laboratory microscope fixture moving a sample under the lens benefits from accuracy grade H and smooth ball recirculation over modest travels.
SMT feeder shuttle
A pick-and-place head indexing between component feeders runs light loads at high cycle counts; re-grease every 100 km of travel, which on a 200 mm stroke arrives in weeks of continuous running, not years.
Is the Airtac LRM Miniature Linear Guide LRM12N1X270S10CH the Right Guide?
Size upward first: if the load is substantial or hangs on a cantilever, move to the LSH series, which publishes per-carriage dynamic, static and moment ratings you can check against a table - LRM gives you no numbers to size from. If travel is short and the job wants crossed-roller rigidity, step across to LGC. To match this SKU, confirm the form (complete set, no pairing code needed since rail and carriage arrive matched), rail width 12 mm, standard carriage, one carriage, 270 mm rail, preload C (accepting the stiffer feel and stricter surface preparation), accuracy H, top-mount fixing - and confirm the load rating with us before you commit.
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 LRM12N1X270S10CH FAQ
This set uses a 12 mm wide stainless-steel rail, 270 mm long, with one standard-length carriage. Preload is grade C (medium), accuracy grade H (high), and the rail is top-mount, fixed with screws from above. Screw torque: M2 at 58.8 N.cm into steel, 39.2 into cast iron, 29.4 into aluminium; M3 at 196, 127 and 98 N.cm respectively. Ambient temperature must not exceed 80 C (peaks to 100 C), and re-greasing is due every 100 km of travel or every 3 to 6 months. Load and moment ratings are not published by the manufacturer for LRM; we confirm them per model before ordering.
It is a complete set: the 270 mm stainless rail arrives with the single carriage already fitted and greased, so no pairing code is needed and nothing else must be ordered for a basic installation. Grade C preloading does demand a properly prepared, ground or finish-milled mounting surface. Also note that one carriage on one rail gives no support against tipping along the travel - if your head leans under load, a second carriage on the same rail is the usual remedy.
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 LRM12N1X270S10CH
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.