Airtac LRM Miniature Linear Guide LRM12L2X270S10CP
The AirTAC Airtac LRM Miniature Linear Guide LRM12L2X270S10CP 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 lengthLong carriage
- Carriages2
- Rail length270 mm
- AccuracyP — precision 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 LRM12L2X270S10CP
LRM12L2X270S10CP is a complete set: one stainless steel LRM12 rail, 12 mm wide and 270 mm long, carrying two long carriages delivered already fitted, with holes for the fixing screws 10 mm from each end of the rail.
The medium preload (code C) is the rigid, less forgiving choice here: it removes play for repeatable positioning but asks more of the mounting surface and adds running friction. The long carriages give something back - they carry the load over more balls and a longer bearing span, which steadies any tipping component on the axis. Inside each carriage the balls are Japanese-made ISO 3290 G10 grade, a grade that applies to the balls only; the double-lip seal and outer cover look after lubrication and debris exclusion. Keep ambient temperature at or below 80 C, with brief peaks to 100 C. LRM has no published load or moment rating, so we confirm the figures for this exact model through the RFQ. One more angle worth knowing: across the listed LRM sets the price runs from about $66 to $831 over just two rail widths, so it is rail length and carriage count - not width - that moves the number.
Airtac LRM Miniature Linear Guide LRM12L2X270S10CP Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12L2X270S10CP |
|---|---|
| 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 | 2 |
| Rail length | 270 mm |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | P — precision 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 LRM12L2X270S10CP
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| L | Long carriage. |
| 2X270 | 2 carriages on a 270 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. |
| P | P — precision grade. |
What Is In The Box
| This order | Complete guide set |
|---|---|
| Rail | Yes, 270 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 LRM12L2X270S10CP Is Used
Laser focus axis
A compact laser-marking head whose focus carriage re-tracks between parts: medium preload takes up the play so the focal plane stays put from shot to shot.
Small pick-and-place gantry
A benchtop pick-and-place head moving electronic components: the twin long carriages resist tipping along the travel, keeping the gripper square to the pad.
Optics alignment fixture
A metrology fixture that nudges a mirror or sensor into alignment by small increments; the precision grade supports the fine positioning the task demands.
Is the Airtac LRM Miniature Linear Guide LRM12L2X270S10CP the Right Guide?
Begin with the configuration: set, 12 mm rail, two long carriages, 270 mm rail length, medium preload, precision grade, top mounting. Medium preload trades free running for stiffness, so check your mounting surface will be ground or finish-milled before choosing it over code B. Because the price scales with length and count rather than width, trimming travel is usually the cheaper redesign than changing series. If the load is heavy or overhung, step up to LSH - its catalogue gives per-carriage dynamic, static and moment ratings that LRM simply does not publish. If travel is short but rigidity is critical, LGC with crossed rollers is the alternative. Match form, width, carriage length, count, rail length, preload, accuracy and mounting direction, then confirm the load rating with us 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 LRM12L2X270S10CP FAQ
A 12 mm wide stainless rail, 270 mm long, top-mounted, with holes 10 mm from each end; two long carriages, medium preload (C), precision accuracy (P). Installation torques: M2 screws 58.8 N.cm in steel, 39.2 N.cm in cast iron, 29.4 N.cm in aluminium; M3 screws 196 / 127 / 98 N.cm in the same order. Keep the surroundings at or under 80 C, with brief peaks to 100 C, and re-grease after every 100 km of travel or every 3 to 6 months, whichever comes first. There is no published load or moment rating for LRM - we confirm the value for this model when you enquire.
The complete set only: the 270 mm stainless rail plus both long carriages already seated on it. Screws, mounting plates and a second rail are not part of the delivery, and there is no pairing code on a complete set - that system applies to carriage-only codes. Bear in mind for the future that only a handful of carriage-only LRM SKUs are listed, so a replacement carriage down the road is normally a special order rather than a quick swap.
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 LRM12L2X270S10CP
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.