Airtac LSH Linear Guide Rail LSH30HN2X520S20AH-M6
The AirTAC Airtac LSH Linear Guide Rail LSH30HN2X520S20AH-M6 is a standard-type profile linear guide on a 28 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
- SizeLSH30
- Rail width28 mm
- Carriage lengthStandard carriage
- Carriages2
- Rail length520 mm
- AccuracyH — high 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 LSH30HN2X520S20AH-M6
This set pairs a 520 mm LSH30 rail with two standard-length square carriages, fitted with M6 grease nipples, no preload and H (high) accuracy, on the S20 end-hole drilling. The carriage internals are a four-row recirculating ball circuit whose X-arranged 45 degree arc raceways put every ball in two-point contact at equal angles above and below the centre line - the reason one block rates the same in every load direction and self-aligns over minor datum faults. Remember that the LSH30 rail is 28 mm wide, not 30, when cutting the shoulder (H 6.5, H1 5, H2 5 mm, corner radius 1 mm max).
The figures that decide this configuration are the moment ones: 0.66 kN.m MR per carriage (0.67 MP and My), against 37.4 kN dynamic and 55.0 kN static. Going to the long LSH30L block would lift C by about 22 percent but MR by about 33 percent, which tells you where cantilevered loads bite first. The H grade confines running parallelism to 7-28 um across the band - a step tighter than normal grade on a 520 mm span.
Airtac LSH Linear Guide Rail LSH30HN2X520S20AH-M6 Technical Specifications
| Model | Airtac LSH Linear Guide Rail LSH30HN2X520S20AH-M6 |
|---|---|
| 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 | LSH30 |
| Rail width | 28 mm (the size code is not the rail width above size 20) |
| Carriage style | Square (compact) |
| Carriage length | Standard carriage |
| Carriages supplied | 2 |
| Rail length | 520 mm |
| Basic dynamic load rating C | 37.4 kN per carriage |
|---|---|
| Basic static load rating C0 | 55.0 kN per carriage |
| Allowable static moment | MR 0.66 / MP 0.67 / My 0.67 kN·m |
| Accuracy grade | H — high grade |
| Preload grade | A — no preload |
| Mounting screws | M8 — 3040 N·cm into steel, 2010 cast iron, 1470 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 LSH30HN2X520S20AH-M6
| LSH | LSH Series Linear Guide. |
|---|---|
| 30 | Size code — note the rail is 28 mm wide, not 30 mm. |
| H / F1 / F2 / F3 | Carriage style: square, or flange mounted from the top, bottom, or both. |
| N | Standard carriage. |
| 2X520 | 2 carriages on a 520 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. |
| H | H — high 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, 520 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 LSH Linear Guide Rail LSH30HN2X520S20AH-M6 Is Used
Pick-and-place gantry cross-axis
A palletising bridge running high cycles over 520 mm: a 100 mm stroke cycling once a second covers the 100 km re-grease interval in under a week, so put lubrication in the weekly round.
Automatic assembly cell feeder
A parts-feeding axis inside an assembly cell, where the H grade's 7-28 um parallelism keeps the pick point repeatable stroke after stroke.
Machine-tool cross-slide retrofit
Retrofitting a worn cross-slide on a lathe or mill with a two-block LSH30 axis: 28 mm rail width, M8 screws at 3040 N.cm into steel, and H-grade straightness.
Is the Airtac LSH Linear Guide Rail LSH30HN2X520S20AH-M6 the Right Guide?
Work through the moment rating first if the load overhangs: 0.66 kN.m MR per block, and two blocks on this 520 mm rail share the tipping load between them. When MR is the constraint, the long LSH30L block (MR 0.88, C 45.7 kN) is often a cheaper answer than going up a size. For a light compact duty, LRM is the step down - its load ratings are not published, so ask us to confirm; where travel is short and crossed-roller rigidity matters more than long recirculating travel, LGC is the sideways move. Checklist before ordering: form (complete set), size by load AND moment, carriage style and length, block count and rail length, H accuracy and A preload against the installation tolerances, grease fitting M6, and the pairing code when buying replacement parts.
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 LSH30HN2X520S20AH-M6 FAQ
Per standard-length block: dynamic C 37.4 kN, static C0 55.0 kN, moment ratings 0.66 MR / 0.67 MP / 0.67 My kN.m. H grade keeps running parallelism within 7-28 um over the rail-length band. Fixing: M8 screws at 3040 / 2010 / 1470 N.cm for steel / cast iron / aluminium seats. Lubrication: 5.4 cm3 first charge, 1.7 cm3 top-up per carriage through the M6 fitting, every 100 km of travel or every 3 to 6 months.
Because the two choices do different jobs. The H grade tightens the guide's own running parallelism to 7-28 um, which is what the machine's straightness inherits. Preload A leaves the installation allowances at their widest - 40 um parallelism and 170 um height error per 500 mm of spacing - so the fitter has room to work. If the duty later needs more rigidity, order preload B or C and budget the tighter mounting tolerances that come with them: 30 / 110 um at B, 27 / 90 um at C.
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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 LSH30HN2X520S20AH-M6
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