Airtac LRM Miniature Linear Guide LRM12L2X145S10BP
The AirTAC Airtac LRM Miniature Linear Guide LRM12L2X145S10BP 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 length145 mm
- AccuracyP — precision grade
- PreloadB — light 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 LRM12L2X145S10BP
LRM12L2X145S10BP is a complete miniature linear guide: one 12 mm stainless-steel rail machined to 145 mm with end fixing holes offset 10 mm from each end (the S10 code), carrying two long-body recirculating-ball carriages. It arrives assembled, pre-filled with Kyodo Yushi PS No. 2 grease, and fixes from above through the top-mount holes.
This exact build pairs light preload (B) with the precision accuracy grade (P), so travel is smooth and repeatable with minimal running drag - a sensible choice where a measurement axis must return to position without fighting its own preload. The carriages ride one common LRM rail profile, ball retention holds the ISO 3290 G10 balls (the grade covers the balls alone, not the assembly) during handling, and a double-lip seal plus outer cover keep fine dust out of the raceways. Ambient temperature must stay at or below 80 C, with peaks no higher than 100 C. Load and moment ratings are not published for LRM, so we confirm the figures for this exact part number before you commit - ask through the RFQ form.
Airtac LRM Miniature Linear Guide LRM12L2X145S10BP Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12L2X145S10BP |
|---|---|
| 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 | 145 mm |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | P — precision grade |
| Preload grade | B — light 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 LRM12L2X145S10BP
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| L | Long carriage. |
| 2X145 | 2 carriages on a 145 mm rail. |
| S… | End-hole offset from the rail end, in mm. |
| B | B — light 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, 145 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 LRM12L2X145S10BP Is Used
Microscope sample stage
A 145 mm slide that carries a slide holder or cuvette under a microscope objective, repositioned shot after shot; the precision P grade suits repeatable measurement work on a bench-top instrument.
SMT pilot pick-and-place head
A light placement head traversing a PCB panel on a prototype line; the twin long carriages give the head a longer bearing span, which helps a head that tips as it reaches for components.
Laser diode alignment carrier
Fine positioning of a low-power laser mount on an optical bench; light preload B keeps the carriage gliding freely while the precision grade holds alignment between adjustments.
Is the Airtac LRM Miniature Linear Guide LRM12L2X145S10BP the Right Guide?
Size the axis honestly. When the load is substantial or cantilevered, move up to LSH: that series publishes per-carriage dynamic, static and moment ratings you can calculate against, while LRM does not. For short travel where crossed-roller rigidity matters more than stroke, LGC is the better cross-series match. For this set, confirm the checklist: complete form, 12 mm rail width, long carriages, two of them, 145 mm rail, preload B (lighter preload runs freer but allows a little more play than C), accuracy P, top-mount fixing. One more note: across our stocked range of about $66 to $831, price tracks rail length and carriage count far more than rail width, so trimming travel is the cheapest saving available.
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 LRM12L2X145S10BP FAQ
Rail width 12 mm, rail length 145 mm, two long carriages, end-hole offset 10 mm, preload B (light), accuracy P (precision), top-mount rail. Mounting with M3 screws: 196 N.cm into steel, 127 N.cm into cast iron, 98 N.cm into aluminium, and the seat should be ground or finish-milled. Re-grease with Kyodo Yushi PS No. 2 every 100 km of travel or every 3 to 6 months. Ambient limit is 80 C with peaks to 100 C. Load and moment ratings are not published for LRM; we confirm them for this exact model before ordering - send the RFQ.
It is the full set: the 145 mm rail and both long carriages, assembled and pre-greased. Our stock of LRM12 is the deepest in the range - 924 of 988 stocked sets - so this configuration ships quickly. Plain finish only is held from stock; the black-chrome version is available to order, and spare carriages on their own are mostly a special order because only a handful of carriage-only SKUs are stocked.
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 LRM12L2X145S10BP
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.