
The AirTAC Airtac LRM Miniature Linear Guide LRM12L2X195S10BH 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.
LRM12L2X195S10BH is a complete miniature linear guide set: one 12 mm wide stainless-steel rail cut to 195 mm, carrying two long recirculating-ball carriages. The rail has a 10 mm end-hole offset for the fixing screws and bolts down from above through its foot. Everything arrives assembled and pre-filled with Kyodo Yushi PS No. 2 grease.
The long carriage body spreads the load over more balls and stretches the bearing span, which helps any tipping component in the machine. Behind it sit the standard LRM design points: one rail profile shared by every LRM carriage, a retainer that keeps the ISO 3290 G10 balls from falling out during handling, and a double-lip seal under an outer cover that scrapes oil back and blocks swarf. Keep ambient temperature at or below 80 C, with peaks no higher than 100 C. No dynamic, static or moment rating is published for LRM, so we confirm the figures for this exact code before you commit - send the RFQ and we will come back with the confirmed data.
| Model | Airtac LRM Miniature Linear Guide LRM12L2X195S10BH |
|---|---|
| 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 | 195 mm |
| Load & moment ratings | Not published for this series — ask us to confirm for your model |
|---|---|
| Accuracy grade | H — high 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.
| LRM | LRM Series Miniature Linear Guide. |
|---|---|
| 12 | Size code. |
| L | Long carriage. |
| 2X195 | 2 carriages on a 195 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. |
| H | H — high grade. |
| This order | Complete guide set |
|---|---|
| Rail | Yes, 195 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.
A benchtop vision system scanning small PCB assemblies uses two of these sets as the X and Y axes, where the 195 mm rail length matches the sample travel and the long carriages resist pitch when the camera head overhangs the carriage.
A laboratory liquid handler moves its pipetting head along a short horizontal axis; the light preload keeps motion smooth for repeatable tip positioning, and the 80 C ambient ceiling is comfortably above any lab environment.
An electronics assembly cell guides a small press tool down onto board-mounted connectors; the twin long carriages on one rail oppose the tipping moment of the off-centre tooling.
This set suits light-duty precision positioning in a compact envelope. If the load is substantial or cantilevered, step up to LSH: that series publishes per-carriage dynamic, static and moment ratings you can size against, which LRM does not. For short travel where crossed-roller rigidity matters more than long travel, look across at LGC instead. Before ordering, tick the checklist: form (this is a set - rail included), 12 mm rail width, long carriage, two per rail, 195 mm rail length, preload B (light - the forgiving choice that mounts easily, less rigid than C), accuracy H, top-mount direction, and confirmation of the load rating with us. Size 12 is where our stock is deepest - 924 of the 988 LRM sets we carry - so a design laid out on this rail width ships about as fast as LRM allows.
Quick checklist
Rail width 12 mm; rail length 195 mm; two long (L) carriages on one rail; preload B (light); accuracy H (high); top-mount rail with a 10 mm end-hole offset. Fixing screws torque to 58.8 N.cm (M2) or 196 N.cm (M3) into steel, with lower values into cast iron and aluminium. Ambient temperature must stay at or below 80 C, with transient peaks to 100 C, and re-greasing is due every 100 km of travel or every 3 to 6 months. Basic dynamic, static and moment load ratings are not published for LRM; we confirm them per model before ordering.
You receive the matched set: the 195 mm stainless-steel rail plus both long carriages already fitted to it, pre-filled with Kyodo Yushi PS No. 2. No mounting screws, no end caps and no spare carriages are in the box, and our stock is plain finish only - black chrome is an order item. If you ever need a replacement carriage alone, note that we carry only four carriage-only SKUs, so most swaps are a special order; handle the fitted carriages carefully because the ball retainer reduces, but does not eliminate, the chance of dropped balls during removal.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
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.