Airtac LRM Miniature Linear Guide LRM12L1X320S10AH
The AirTAC Airtac LRM Miniature Linear Guide LRM12L1X320S10AH 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 lengthLong 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 LRM12L1X320S10AH
This complete set pairs a 320 mm stainless steel rail, 12 mm across, with a single long-body ball carriage, giving one guided axis in a compact envelope. The 10 mm end offset places the first screw hole close to the rail end, useful on tightly packed base plates. Screws enter from the top, and the carriage is delivered greased with Kyodo Yushi PS No. 2.
Worth knowing before you finalize the layout: across the LRM sets AirTAC lists, price tracks rail length far more than rail width, so trimming travel before upsizing is where the savings sit. LRM12 is also the configuration most widely listed in the series, which keeps sourcing straightforward for a design laid out around a 12 mm rail. Inside, the balls are Japanese ISO 3290 G10 grade - a ball specification, not a standard the assembled guide is built to - running behind a double-lip seal under an outer cover. No load or moment rating is published for LRM; we confirm it for this 320 mm set when you enquire. Keep the surroundings under 80 C.
Airtac LRM Miniature Linear Guide LRM12L1X320S10AH Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12L1X320S10AH |
|---|---|
| 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 | Long 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 LRM12L1X320S10AH
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| L | Long 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 LRM12L1X320S10AH Is Used
Tray shuttle in electronics assembly
Sliding a small tray or substrate carrier between an inspection point and a load position inside compact equipment, at room temperature away from any hot zone.
Camera rail for vision checks
Carrying a compact machine-vision camera along a PCB inspection line, where smooth low-vibration travel keeps images sharp.
Probe station X axis
A light probe-head traverse on a laboratory measurement station, sized small so the instrument footprint stays tight.
Is the Airtac LRM Miniature Linear Guide LRM12L1X320S10AH the Right Guide?
Confirm you want the set form - rail plus one long carriage, not a loose carriage - then check rail width 12 mm, rail length 320 mm, one carriage, no preload, high accuracy H and top-mount fixing against your drawing. Preload A runs freest; if positioning play matters, B or C tighten it but raise drag and demand a flatter mounting face. When the load is heavy or cantilevered, move up to LSH, which publishes dynamic, static and moment ratings per carriage that LRM lacks; for short-travel jobs needing crossed-roller stiffness, look at LGC. Either way, ask us to confirm the load rating for this exact 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 LRM12L1X320S10AH FAQ
A stainless rail 12 mm wide and 320 mm long, one long carriage, no preload, accuracy grade H and screws fitted from the top with a 10 mm end offset. Fixing torque is 58.8 N.cm for M2 and 196 N.cm for M3 screws into steel, lower into cast iron or aluminium. Regrease after every 100 km of travel or every 3 to 6 months, and never let ambient temperature pass 80 C. Load and moment ratings are not published for LRM, so we confirm them for this model when you enquire.
Choose LSH when load, moment or cantilever effects dominate, because LSH datasheets publish basic dynamic, static and allowable moment figures you can size directly against - LRM publishes none of these. Stay with LRM, like this 320 mm set, when the priority is a small, light, smooth guide for light-duty positioning. If travel is short and you need crossed-roller rigidity, LGC is the third option. Send the duty cycle and we will help you place it.
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 LRM12L1X320S10AH
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.