Airtac LSH Linear Guide Rail LSH15HN1X185S15AN-M4
The AirTAC Airtac LSH Linear Guide Rail LSH15HN1X185S15AN-M4 is a standard-type profile linear guide on a 15 mm wide rail. Four rows of balls contact X-shaped raceways at a 45° angle, so the guide carries load equally in all four directions and absorbs small mounting errors inside the carriage instead of binding.
- SeriesLSH
- Supplied asComplete guide set
- SizeLSH15
- Rail width15 mm
- Carriage lengthStandard carriage
- Carriages1
- Rail length185 mm
- AccuracyN — normal grade
- PreloadA — no 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 LSH Linear Guide Rail LSH15HN1X185S15AN-M4
This AirTAC LSH code is a complete linear guide set: one square (H) carriage of standard length, pre-fitted and pre-greased, on a 185 mm profile rail cut to length and drilled for top-lock mounting. Four rows of balls recirculate through X-arranged 45 degree arc raceways at two contact points each, so the block carries load equally up, down and sideways and absorbs slight flatness errors in the mounting face instead of binding. Size 15 means a true rail width of 15 mm. The S15 offset puts the first screw hole 15 mm in from each rail end.
Catalogue ratings per carriage: 11.3 kN dynamic (C), 17.9 kN static (C0), and moments MR/MP/My of 0.12/0.12/0.12 kN.m. Static sits about 1.6 times above dynamic, which is the reserve against shock and overhang. At 185 mm this rail uses a small slice of the 4040 mm maximum length for this size, so the same model stretches to long-travel axes later without changing carriage hardware.
Airtac LSH Linear Guide Rail LSH15HN1X185S15AN-M4 Technical Specifications
| Model | Airtac LSH Linear Guide Rail LSH15HN1X185S15AN-M4 |
|---|---|
| Series | LSH Series Linear Guide |
| Supplied as | Complete guide set |
| Construction | Recirculating ball, four ball rows on X-shaped raceways at a 45° contact angle, self-aligning |
| Size code | LSH15 |
| Rail width | 15 mm |
| Carriage style | Square (compact) |
| Carriage length | Standard carriage |
| Carriages supplied | 1 |
| Rail length | 185 mm |
| Basic dynamic load rating C | 11.3 kN per carriage |
|---|---|
| Basic static load rating C0 | 17.9 kN per carriage |
| Allowable static moment | MR 0.12 / MP 0.12 / My 0.12 kN·m |
| Accuracy grade | N — normal grade |
| Preload grade | A — no preload |
| Mounting screws | M4 — 412 N·cm into steel, 274 cast iron, 206 aluminium |
| Lubrication | Pre-filled with Mobilux EP2; re-grease every 100 km of travel or every 3–6 months |
| Interchangeability | LSH carriages fit LSH rails of the same model |
Specifications follow the official AirTAC LSH catalogue. The catalogue page does not state the carriage or rail base material. Sizes 35 and 45 exist in the catalogue but are not stocked here; they are available to order.
Model Code: Airtac LSH Linear Guide Rail LSH15HN1X185S15AN-M4
| LSH | LSH Series Linear Guide. |
|---|---|
| 15 | Size code. |
| H / F1 / F2 / F3 | Carriage style: square, or flange mounted from the top, bottom, or both. |
| N | Standard carriage. |
| 1X185 | 1 carriage on a 185 mm rail. |
| S… | End-hole offset from the rail end, in mm. |
| A | A — no preload — higher preload raises rigidity and tightens how flat the mounting surface must be. |
| N | N — normal grade. |
| -M4 / -M6 / -A01… | Grease nipple or tube-fitting type. Restricted by size: size 15 the M4 family, 20–35 the M6 family, 45 the PT1/8 family. |
What Is In The Box
| This order | Complete guide set |
|---|---|
| Rail | Yes, 185 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 LSH Linear Guide Rail LSH15HN1X185S15AN-M4 Is Used
Compact laser engraver gantry
Carrying a diode laser head across a 185 mm stroke on a desktop engraver; the square block keeps the beam axis steady and the 11.3 kN dynamic rating sits far beyond the head weight.
Microscope inspection stage
Traversing a camera or probe over small parts on a bench metrology station; grade N running parallelism stays inside the 12-37 um band quoted for this rail length.
Workshop feed-slide conversion
Replacing a worn sliding dovetail on a drill jig with a rolling guide; the M4 nipple takes a needle grease gun for the 0.3 cm3 top-up without dismantling the carriage.
Is the Airtac LSH Linear Guide Rail LSH15HN1X185S15AN-M4 the Right Guide?
Step down to LRM if the duty is light and the envelope is tight; its load ratings are not published, so ask us to confirm the figures before you switch. If a cantilevered load governs, moment moves faster than load: LSH20 lifts MR from 0.12 to 0.27 kN.m, more than double, for one size. Choose LGC for short strokes where crossed-roller rigidity beats a long recirculating run. Checklist: form - this is a complete set; size by load AND moment; carriage style and length; rail length and hole offset; accuracy N with preload A, which allows 130 um height and 25 um parallelism error at 500 mm spacing; M4 grease fitting. If you ever buy a spare block or rail separately, quote the pairing code stamped on the original part. Drive the supplied bolt caps fully into the screw holes so swarf never reaches the ball circuit.
Quick checklist
- ✓ Complete set, carriage only, or rail only?
- ✓ Worst-case moment, not just straight load
- ✓ 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 LSH Linear Guide Rail LSH15HN1X185S15AN-M4 FAQ
Dynamic rating C 11.3 kN and static C0 17.9 kN per carriage. Moment ratings MR/MP/My 0.12/0.12/0.12 kN.m. Grade N running parallelism falls in the 12-37 um band, scaling with rail length. Rail screws are M4, torqued to 412 N.cm in steel, 274 N.cm in cast iron, 206 N.cm in aluminium. Lubrication: 0.9 cm3 first charge of Mobilux EP2 per carriage, 0.3 cm3 top-up, re-grease every 100 km of travel or every 3 to 6 months, whichever comes first.
One matched set: the 185 mm rail with holes starting 15 mm from each end, plus one square standard carriage fitted with an M4 grease nipple and pre-filled with Mobilux EP2. There is no preload, which buys installation latitude: up to 130 um height error and 25 um parallelism error over a 500 mm span. Ordering preload B instead would tighten those limits to 85 um and 18 um in exchange for a stiffer, zero-play feel.
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 LSH Linear Guide Rail LSH15HN1X185S15AN-M4
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.