Airtac LRM Miniature Linear Guide LRM12N2X200S12.5AH
The AirTAC Airtac LRM Miniature Linear Guide LRM12N2X200S12.5AH is a miniature linear guide on a 12 mm stainless-steel rail with recirculating-ball carriages. 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
- Carriages2
- Rail length200 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 LRM12N2X200S12.5AH
LRM12N2X200S12.5AH is a complete miniature guide set: one 12 mm wide stainless-steel rail, 200 mm long, with two standard recirculating-ball carriages, their screw holes offset 12.5 mm from each rail end and fixed from the top.
A preload of A means the carriages run with internal clearance intact - the smoothest, lowest-drag option and the most forgiving of imperfect mounting surfaces, at the cost of a little more play under reversing loads. H is high accuracy, one step below precision and usually the economical pick when straightness requirements are moderate. At 200 mm this rail uses roughly a fifth of the 1005 mm maximum catalogue length offered in size 12, so it sits comfortably inside the stocked range. Japanese-made ISO 3290 G10 balls (a ball grade, not an assembly standard) recirculate behind a double-lip seal under an outer cover; ambient temperature must stay at or below 80 C, peaks 100 C. No load or moment figure is published for LRM - we confirm it per model via the RFQ.
Airtac LRM Miniature Linear Guide LRM12N2X200S12.5AH Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12N2X200S12.5AH |
|---|---|
| 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 | 2 |
| Rail length | 200 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 LRM12N2X200S12.5AH
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| N | Standard carriage. |
| 2X200 | 2 carriages on a 200 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, 200 mm |
| Carriage | Yes, 2 |
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 LRM12N2X200S12.5AH Is Used
SMT pick-and-place head
A small placement head shuttling between feeders and the board runs fastest when drag is low; A preload keeps running resistance down and the double-lip seal holds the grease film through continuous cycling.
Lab autosampler tray shuttle
Moving a sample tray between wash station and analyser inlet on a benchtop clinical analyser, where 200 mm of travel matches a two-column sample deck.
Compact dispensing slide
A glue-dot dispenser head in a benchtop cell: the twin-carriage layout resists tipping along the travel as the head accelerates and stops over each dispense point.
Is the Airtac LRM Miniature Linear Guide LRM12N2X200S12.5AH the Right Guide?
Size the family before the part. Loads that are heavy, offset or cantilevered belong on AirTAC LSH, which publishes dynamic, static and moment ratings you can plug into a calculation; LRM has none, so capacity is confirmed by us model by model. If the stroke is short and crossed-roller rigidity matters more than ball smoothness, LGC is the alternative. Checklist for this code: complete set, 12 mm rail width, standard carriages, two blocks, 200 mm rail, A preload (clearance as manufactured - the easiest grade to install well), H high accuracy, top-mount, 12.5 mm end offset. Mount on ground or finish-milled surfaces and confirm the load rating with us before committing.
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 LRM12N2X200S12.5AH FAQ
Confirmed: 12 mm rail width, 200 mm rail length, 12.5 mm end-hole offset, two standard carriages, preload A (none), accuracy H (high), top-mount rail, stainless-steel rail. Environment: maximum 80 C ambient, transient peaks to 100 C. Maintenance: re-grease every 100 km of travel or every 3 to 6 months - a 200 mm stroke cycling once per second covers 100 km in roughly three weeks of continuous running, so the distance usually binds before the calendar. Screws: 196 N.cm for M3 and 58.8 N.cm for M2 into steel, lower into cast iron and aluminium. Load, moment and running-parallelism figures are not published for LRM; we confirm them per model before you order.
The box contains the 200 mm stainless rail with both carriages fitted and pre-filled with Kyodo Yushi PS No. 2 grease. Before first use, wipe off the rust-preventive oil and apply lubricant. For storage, coat the set evenly with rust-preventive oil, seal it in the specified bag, lay it flat and keep it away from heat and humidity. Rail-only lengths and bolt-cap packs are catalogue items we do not stock - order-in only. A carriage-only spare is rarely held for any given configuration, so plan any field swap as a special order.
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 LRM12N2X200S12.5AH
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.