
The AirTAC Airtac LRM Miniature Linear Guide LRM15L1X190S15AH is a miniature linear guide on a 15 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.
LRM15L1X190S15AH is a complete miniature linear guide in AirTAC's LRM series: a single long carriage on a 15 mm wide, 190 mm long stainless-steel rail, with end holes offset 15 mm and a top-mount fixing face. One set, one axis, shipped assembled.
Two things are worth knowing before you order this width. First, 12 mm dominates the stocked LRM range - 924 of 988 sets - so 15 mm is the smaller stocked group and it pays to check availability early on a tight build schedule. Second, price across the stocked range is driven by rail length and carriage count, not width, so this 190 mm single-carriage set sits well down the price spread even in the wider size. The design points carry over: common-rail profile shared across LRM carriages, ball retention during handling, ISO 3290 G10 Japanese-made balls (a ball grade only, not a guide standard), double-lip seals and an outer cover. Keep the ambient at or below 80 C. Load and moment ratings are confirmed per model - ask us through the RFQ and we will return the figure for this code.
| Model | Airtac LRM Miniature Linear Guide LRM15L1X190S15AH |
|---|---|
| Series | LRM Series Miniature Linear Guide |
| Supplied as | Complete guide set |
| Construction | Recirculating ball, stainless-steel rail, common-rail design |
| Size code | LRM15 |
| Rail width | 15 mm |
| Carriage length | Long carriage |
| Carriages supplied | 1 |
| Rail length | 190 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.
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 15 | Size code. |
| L | Long carriage. |
| 1X190 | 1 carriage on a 190 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. |
| This order | Complete guide set |
|---|---|
| Rail | Yes, 190 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.
A camera slide on a compact automated optical inspection rig, scanning boards along a 190 mm axis at high accuracy, with the double-lip seal shedding dust lifted off fluxed boards.
Laboratory automation moving blood-sample vials between a centrifuge and an analyser. The 100 km re-grease interval is nearer than it sounds: at a 190 mm stroke cycling once per second it arrives within a single week of continuous running, so set the maintenance clock accordingly.
A fixture rail carrying dial indicators for checking machined housings. Grade H travel accuracy on a ground seat, one long carriage to resist rocking, and a load rating we confirm per model before you build.
Decide the series first, then the code. A substantial or overhung load belongs on LSH, whose catalogue publishes per-carriage dynamic, static and moment ratings you can actually size against - LRM gives you none of those numbers. Short travel with a demand for crossed-roller rigidity points to LGC instead. Having settled on LRM15, work the checklist: complete set, 15 mm rail, long carriage, one block, 190 mm rail, preload A (none) - the free-sliding, least rigid option - grade H accuracy, top-mount orientation, pairing code only if you ever buy a carriage alone, and confirmation of the load rating with us. The RFQ is the fastest route.
Quick checklist
One long carriage runs on a 15 mm wide stainless rail of 190 mm, end holes offset 15 mm, no preload (grade A), high accuracy (H), rail mounted from the top. Use M3 fixing screws at 196 N.cm into steel, 127 N.cm into cast iron or 98 N.cm into aluminium, on a ground or finish-milled surface. The environment must stay at or below 80 C, peaking no higher than 100 C, and grease is refreshed every 100 km of travel or every 3 to 6 months. Load and moment ratings are not published for LRM; we confirm the numbers for this model on request.
LRM is the light end: a miniature stainless rail for tight envelopes and light positioning work. LSH is the larger series, and crucially it publishes dynamic, static and moment load ratings per carriage, so a design with real loads or a cantilever can be calculated rather than queried. If your 15 mm rail width is driven by space rather than load, this set fits; if the load table matters, step up and size against LSH. Either way, send the RFQ - we will confirm the LRM load figures for this code before you order.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
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.