Airtac LRM Miniature Linear Guide LRM12N2X270S10BP
The AirTAC Airtac LRM Miniature Linear Guide LRM12N2X270S10BP 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 lengthStandard carriage
- Carriages2
- Rail length270 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 LRM12N2X270S10BP
LRM12N2X270S10BP is a complete AirTAC LRM miniature linear guide set: a single 270 mm stainless-steel rail, 12 mm wide, fitted with two standard-length recirculating-ball carriages. The suffixes decode as preload B (light), accuracy P (precision grade) and top-mount rail fixing, with a 10 mm end-hole offset for the fixing screws at each end. Rail and carriages arrive assembled, pre-filled with Kyodo Yushi PS No. 2 grease, ready to bolt down.
The manufacturer builds this family around Japanese-made balls graded ISO 3290 G10 - a grade that applies to the balls only, not to the guide assembly or its accuracy - plus a double-lip seal for oil retention and dust exclusion and an outer cover that shields the seal strip from larger debris. Ambient temperature must stay at or below 80 C, with transients to 100 C. Light preload keeps running resistance low, so this precision-grade set suits smooth, low-friction moves; the trade-off is less stiffness than the medium-preload version. Load and moment ratings are not published for LRM - we confirm the figures for this exact model before you commit, so please send the RFQ.
Airtac LRM Miniature Linear Guide LRM12N2X270S10BP Technical Specifications
| Model | Airtac LRM Miniature Linear Guide LRM12N2X270S10BP |
|---|---|
| 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 | 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 | 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 LRM12N2X270S10BP
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| N | Standard carriage. |
| 2X270 | 2 carriages on a 270 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, 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 LRM12N2X270S10BP Is Used
Metrology fixture
Drives the probe slide of a benchtop coordinate-checking fixture, where the precision P grade and light preload keep traverse friction low and repeatable.
Laser alignment slide
Positions a compact laser diode module on a small optical bench, with the twin-carriage layout resisting pitch along the 270 mm travel.
Optical filter indexer
Steps filters through the optical path of a compact vision inspection unit, where the ball-retention design lowers the risk of dropped balls during filter service.
Is the Airtac LRM Miniature Linear Guide LRM12N2X270S10BP the Right Guide?
If the load on this 12 mm set is substantial or cantilevered, step up to AirTAC LSH: that larger series publishes per-carriage dynamic, static and moment ratings you can size against, which LRM does not. If travel is short and the priority is crossed-roller rigidity rather than recirculating balls, LGC is the cross-series alternative. Otherwise, check the list before ordering: form (complete set), rail width 12 mm, standard carriage, two carriages, 270 mm rail, light preload, precision P accuracy, top-mount fixing - and confirm the load rating with us first. Stock note: 924 of the 988 LRM sets we carry are size 12, so this configuration typically ships quickly.
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 LRM12N2X270S10BP FAQ
Rail width 12 mm; rail length 270 mm; two standard-length carriages; light preload (B); precision accuracy grade (P); top-mount rail fixing with a 10 mm end-hole offset. The rail is stainless steel. Screws torque to 196 N.cm into steel, 127 N.cm into cast iron and 98 N.cm into aluminium. Ambient temperature limit is 80 C, with peaks to 100 C. Re-grease every 100 km of travel or every 3 to 6 months, never mixing lubricant types. Basic dynamic load, static load and moment ratings are not published for LRM; we confirm them for this exact model before ordering - send the RFQ.
One 270 mm stainless-steel rail, 12 mm wide, already fitted with two standard carriages pre-filled with Kyodo Yushi PS No. 2 grease. Before first use, wipe off the rust-preventive oil and re-lubricate. Mounting surfaces should be ground or finish-milled for the rated travel accuracy. If you need spare carriages later, note that we stock only four carriage-only LRM SKUs, so a replacement is usually a special order - plan ahead.
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 LRM12N2X270S10BP
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.