Airtac LRM Miniature Linear Guide LRM15L1X140S30AH
The AirTAC Airtac LRM Miniature Linear Guide LRM15L1X140S30AH 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.
- SeriesLRM
- Supplied asComplete guide set
- SizeLRM15
- Rail width15 mm
- Carriage lengthLong carriage
- Carriages1
- Rail length140 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 LRM15L1X140S30AH
LRM15L1X140S30AH is one complete LRM guide set: a stainless-steel rail 15 mm wide and 140 mm long, with a single long-series carriage fitted and ready to run. The S30 code pushes the first mounting hole on each end 30 mm in from the rail end - the deepest of the common offsets - which suits beds whose drilled pattern already sits well clear of the rail ends, or designs that keep screw bosses away from the tip of the rail.
With one carriage doing all the guiding, the long L body earns its keep: more recirculating balls share the load over a longer span, damping the tipping tendency of a single-block layout. The balls themselves are Japanese ISO 3290 G10 grade - a statement about the balls only, never a guide-level standard - and travel in raceways shielded by a double-lip seal behind an outer cover that hides the screws. Do not exceed an 80 C ambient, even briefly above 100 C. There is no published load or moment rating for LRM: tell us this model number and we confirm the figures before you order.
Airtac LRM Miniature Linear Guide LRM15L1X140S30AH Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM15L1X140S30AH |
|---|---|
| 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 | 140 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 LRM15L1X140S30AH
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 15 | Size code. |
| L | Long carriage. |
| 1X140 | 1 carriage on a 140 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, 140 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 LRM15L1X140S30AH Is Used
Compact XY positioning stage
Building a small XY stage for camera or sensor positioning, where the deep S30 end offset leaves room for the corner structure of a tight base plate.
Cable-harness test slide
A slide in an electronics test rig that carries a moving cable run; the outer cover and double-lip seal strip keep wire clippings out of the raceway.
High-cycle sorting head
A light sorting head in a small parts feeder that cycles constantly; the 100 km re-grease interval arrives quickly at one short stroke per second, so plan grease access.
Is the Airtac LRM Miniature Linear Guide LRM15L1X140S30AH the Right Guide?
If the load is meaningful or hangs off a cantilever, choose LSH instead - it is the larger series whose catalogue lists per-carriage dynamic, static and moment ratings you can design against, exactly what LRM does not publish. If the stroke is short and you want crossed-roller rigidity for a measurement axis, LGC is the better cross-over. To order this set correctly, check each line: form is a complete set, rail width 15 mm, carriage long, one carriage on the rail, rail length 140 mm, end-hole offset S30, preload A (freest motion, but plan for clearance when loads reverse), accuracy H, top-mount rail. Send us the load case and we confirm the rating for this exact SKU.
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 LRM15L1X140S30AH FAQ
Rail 15 mm wide and 140 mm long, one long carriage, end holes 30 mm in from each rail end, preload A (none), accuracy grade H, rail mounted from the top. Screw torques: M2 - 58.8 N.cm steel, 39.2 N.cm cast iron, 29.4 N.cm aluminium; M3 - 196 N.cm steel, 127 N.cm cast iron, 98 N.cm aluminium. Maximum ambient is 80 C, with peaks no higher than 100 C. Re-lubricate every 100 km of travel or every 3 to 6 months; the pre-filled grease is Kyodo Yushi PS No. 2 and top-up quantities vary per model. Load and moment ratings are not published for LRM - we confirm them for this model via RFQ.
The ball-retention design is there to stop it, but the manufacturer is explicit that it is a help, not a guarantee: inserting the carriage at an angle, or fitting and removing it quickly, can still drop balls from the raceway. Work slowly and square to the rail, keep the carriage on the rail unless removal is necessary, and use a dummy rail if carriage swaps are part of your workflow. Never dismantle the carriage itself - lost balls and damaged raceways follow. Note also that on an inclined rail the carriage can slide under its own weight, so hold it during handling.
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 LRM15L1X140S30AH
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.