Airtac LRM Miniature Linear Guide LRM12N1X320S10AH
The AirTAC Airtac LRM Miniature Linear Guide LRM12N1X320S10AH 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 length320 mm
- AccuracyH — high grade
- PreloadA — no 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 LRM12N1X320S10AH
At 320mm of travel, LRM12N1X320S10AH is a mid-length set in a series whose full-length size-12 rails reach 1005mm: one 12mm-wide stainless rail, one standard-length recirculating-ball carriage, top mounting, first hole 10mm from each end. Longer cuts exist in the range if the design later grows.
The single-carriage layout means the whole load rides on one bearing footprint; if tipping along the travel becomes a concern, a second carriage on the same rail resists it - the common rail profile lets you specify that without changing the rail. Balls are Japanese ISO 3290 G10 (a grade for the balls only), retained against falling out though careless angled fitting can still lose them, and the double-lip seal plus outer cover guard the raceway from debris. Ambient limit: 80 C, transient peaks to 100 C. Load and moment ratings are not published for LRM - request them per model and we will confirm the figures for this configuration.
Airtac LRM Miniature Linear Guide LRM12N1X320S10AH Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12N1X320S10AH |
|---|---|
| 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 | 320 mm |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | H — high grade |
| Preload grade | A — no 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 LRM12N1X320S10AH
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| N | Standard carriage. |
| 1X320 | 1 carriage on a 320 mm rail. |
| S… | End-hole offset from the rail end, in mm. |
| A | A — no 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, 320 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 LRM12N1X320S10AH Is Used
Indexing pusher on a micro-parts transfer conveyor
A pusher carriage indexing small electronic components along a 320mm pitch rides the rail as a straight guide; the outer cover keeps the seal strip clear of stray parts.
Connector crimping slide on a bench fixture
A jig sliding a connector board under a hand press over 320mm uses the stainless rail, which wipes clean and copes with the fingerprints and swarf of a busy bench.
High-cycle test rig axis
A 200mm stroke cycling once per second accumulates 100km in about three weeks of continuous running, so on a fast test rig the 100km re-grease interval arrives before the calendar does - keep the carriage lubrication hole reachable.
Is the Airtac LRM Miniature Linear Guide LRM12N1X320S10AH the Right Guide?
Start from the travel this set gives you: 320mm between end holes, on a rail width of 12mm. Should the load grow beyond what a miniature guide should carry, or hang off a cantilever, step up to LSH, whose published per-carriage dynamic, static and moment ratings let you verify the choice on paper - LRM offers no such table. For short travel where rigidity comes first, crossed-roller LGC is the alternative. Match: complete set, 12mm rail width, standard carriage, one carriage, 320mm rail, preload A (running clearance), accuracy H, top-mount direction. Re-greasing matters more on long-stroke axes, so check you can reach the lubrication hole at the carriage rear in your layout. Send the load case with your RFQ; we confirm the rating for this model before ordering.
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 LRM12N1X320S10AH FAQ
For a light-duty, compact axis with 320mm of travel, yes. LRM wins on envelope and smoothness. LSH wins whenever the load is heavy or overhung, because its catalogue lists dynamic, static and moment ratings per carriage that you can verify - the LRM series publishes no such figures, which is why we confirm them per model on request. If the travel is short and stiffness matters more than low friction, crossed-roller LGC is the other direction to look. The three series are separate products; parts do not interchange between them.
Rail width 12mm; rail length 320mm; one standard-length carriage; preload A, meaning none; accuracy grade H; top-mount rail with the first hole 10mm from the rail end. Screws torque to 58.8 N.cm (M2, steel), 39.2 N.cm (M2, cast iron), 29.4 N.cm (M2, aluminium) and 196 / 127 / 98 N.cm for M3 in the same materials. Ambient temperature: 80 C maximum, 100 C transient peak. Re-grease every 100km of travel or every 3 to 6 months; top-up quantities are per model, from 0.02/0.01 up to 1.0/0.50 cm3. Load and moment ratings are not published for LRM - include your load case in the RFQ and we confirm the figures for this model.
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 LRM12N1X320S10AH
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.