Airtac LRM Miniature Linear Guide LRM12N1X170S10CHT
The AirTAC Airtac LRM Miniature Linear Guide LRM12N1X170S10CHT 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 length170 mm
- AccuracyH — high grade
- PreloadC — medium 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 LRM12N1X170S10CHT
LRM12N1X170S10CHT specifies a complete LRM12 set built for under-surface mounting: the trailing T calls for a bottom-mount rail, so the screws pass upward through the rail and the mating plate is drilled from beneath. In the box are one stainless rail 12 mm wide by 170 mm long and a single standard recirculating-ball carriage, preloaded C (medium) and graded H (high accuracy).
Bottom-mount suits frames where the top face carries the working surface or must stay unbroken - a sliding table, a granite base, an enclosed housing lid. Mind the handling rules that come with it: ball retention keeps the balls captive in ordinary handling, but fitting the carriage at an angle or rushing a swap can still drop them, and on an inclined rail the carriage can slide off under its own weight, so hold it. The balls themselves are Japanese ISO 3290 G10 grade - a ball grade, not an assembly standard - running under a double-lip seal beneath an outer cover. Keep the environment at or below 80 C. Load and moment ratings are not published for LRM; we confirm them for this code before ordering - raise an RFQ and we will come back with the verified figures.
Airtac LRM Miniature Linear Guide LRM12N1X170S10CHT Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12N1X170S10CHT |
|---|---|
| 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 | 170 mm (spliced sections) |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | H — high grade |
| Preload grade | C — medium 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 LRM12N1X170S10CHT
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| N | Standard carriage. |
| 1X170 | 1 carriage on a 170 mm rail. |
| S… | End-hole offset from the rail end, in mm. |
| C | C — medium 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, 170 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 LRM12N1X170S10CHT Is Used
Concealed slide in a granite base
Screwing the rail up into the underside of a granite or aluminium baseplate on a small inspection fixture, so the working top surface stays flat and unbroken while the carriage drives the moving arm from within.
Micro conveyor gate and stopper
A sliding gate that opens and closes across a miniature conveyor lane between two processes. The bottom-mount rail sits under the guard plate, keeping the lane clear, and medium preload stops the gate from rattling at each stop.
Service slide inside an enclosed marker
A maintenance drawer or laser-head carrier inside a sealed PCB marking machine, where the outer cover cannot be drilled. Fitting from below means the housing skin stays intact, and the outer cover on the carriage keeps swarf out of the seal.
Is the Airtac LRM Miniature Linear Guide LRM12N1X170S10CHT the Right Guide?
Bottom-mounting raises the preparation stakes: the rail seat must be ground or finish-milled to hold the high-accuracy grade, and either side of the rail can serve as the datum face. If you later add a second carriage to the same rail, put the datum on the same side for both to protect running accuracy. If the load is substantial or cantilevered, go up to LSH, whose published per-carriage dynamic, static and moment ratings let you size on paper - LRM publishes none, so we confirm the numbers for this exact code instead. For short travel needing crossed-roller rigidity, choose LGC. Checklist: set form (rail included), 12 mm rail width, standard carriage, one carriage, 170 mm rail length, preload C medium, accuracy H high, bottom-mount mounting direction, and a load rating confirmed with us.
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 LRM12N1X170S10CHT FAQ
You receive the complete set: the 170 mm by 12 mm stainless rail, drilled for bottom-mount screws, and one standard carriage shipped greased with Kyodo Yushi PS No. 2. Screws are not included - torque M2 screws at 58.8 N.cm into steel (39.2 cast iron, 29.4 aluminium) and M3 screws at 196, 127 and 98 N.cm respectively. There is no black-chrome finish here and no second carriage. Published limits: 80 C ambient with peaks to 100 C, re-grease every 100 km or 3 to 6 months. Load and moment ratings are not published for LRM; we confirm them per model through the RFQ.
If the guide has to carry a real working load, a cantilever, or an overturning moment, choose LSH: it publishes basic dynamic, static and moment ratings per carriage, so the sizing can be done against numbers rather than judgement. LRM is built for the opposite brief - a tight envelope, smooth light travel and high-accuracy motion where the load is modest. Because no load table exists for LRM, we verify the rating for your specific code before you order; send the load and layout with the RFQ and we will confirm the fit.
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 LRM12N1X170S10CHT
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.