Airtac LSH Linear Guide Rail LSH20HN1X1050S15CN-M6
The AirTAC Airtac LSH Linear Guide Rail LSH20HN1X1050S15CN-M6 is a standard-type profile linear guide on a 20 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
- SizeLSH20
- Rail width20 mm
- Carriage lengthStandard carriage
- Carriages1
- Rail length1050 mm
- AccuracyN — normal grade
- PreloadC — medium 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 LSH20HN1X1050S15CN-M6
LSH20HN1X1050S15CN-M6 is a long-travel member of the AirTAC LSH family in size 20: 1050 mm of profile rail with a single standard-length square carriage, medium preload (C) and normal accuracy (N), greased through an M6 nipple. Four rows of balls run in opposed 45 degree arc raceways at a 45 degree contact angle, holding the carriage equally against lift, roll and side load, and the self-aligning design absorbs small datum errors across the full metre of span. The rail's true width is 20 mm, and the set arrives complete with its bolt caps.
The rail sits comfortably inside the size: Lmax for LSH20 is 4040 mm, so this 1050 mm cut leaves roughly 2990 mm of headroom if the machine grows later. At grade C the carriage carries 18.6 kN dynamically and 28.6 kN statically, with MR / MP / My of 0.27 / 0.25 / 0.25 kN.m. Running parallelism for the N grade spans 12 to 37 um across the rail-length bands, so expect achieved accuracy to be set as much by how well the bed is machined and bolted down as by the grade stamp itself.
Airtac LSH Linear Guide Rail LSH20HN1X1050S15CN-M6 Technical Specifications
| Model | Airtac LSH Linear Guide Rail LSH20HN1X1050S15CN-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 | LSH20 |
| Rail width | 20 mm |
| Carriage style | Square (compact) |
| Carriage length | Standard carriage |
| Carriages supplied | 1 |
| Rail length | 1050 mm |
| Basic dynamic load rating C | 18.6 kN per carriage |
|---|---|
| Basic static load rating C0 | 28.6 kN per carriage |
| Allowable static moment | MR 0.27 / MP 0.25 / My 0.25 kN·m |
| Accuracy grade | N — normal grade |
| Preload grade | C — medium preload |
| Mounting screws | M5 — 882 N·cm into steel, 588 cast iron, 441 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 LSH20HN1X1050S15CN-M6
| LSH | LSH Series Linear Guide. |
|---|---|
| 20 | Size code. |
| H / F1 / F2 / F3 | Carriage style: square, or flange mounted from the top, bottom, or both. |
| N | Standard carriage. |
| 1X1050 | 1 carriage on a 1050 mm rail. |
| S… | End-hole offset from the rail end, in mm. |
| C | C — medium 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, 1050 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 LSH20HN1X1050S15CN-M6 Is Used
PCB pick-and-place gantry
The long axis of a benchtop SMT placer: 1050 mm covers twin panel rails, and the preloaded block keeps nozzle height constant along the whole run so fine-pitch components seat without constant Z compensation.
Fabric cutting table guide
Carrying a reciprocating knife or marker across a metre of fabric width; preload stops the head lifting or rocking when the blade bites, and the rail length spans most single-ply cutting widths in one piece.
Parcel dimensioning traverse
A measuring frame that travels over parcels on a sortation line; a metre of travel matches typical carton footprints, and the preloaded carriage holds the sensor plane steady against conveyor vibration.
Is the Airtac LSH Linear Guide Rail LSH20HN1X1050S15CN-M6 the Right Guide?
A 1050 mm rail is a long-travel decision, so work through the checklist in travel order. Confirm the form first: this is a complete set, rail and preloaded carriage together, not a rail-only or carriage-only part. Then check moment per carriage: at 0.27 kN.m MR this standard block suits a light gantry head, but if the head cantilevers further, a long LSH20L carriage lifts MR to 0.35 kN.m and a move to LSH25 lifts it to 0.44, while a second carriage on the rail resists tipping along the metre of travel instead. If the axis may grow, there is about 2990 mm of headroom below the 4040 mm Lmax for size 20. If the duty is genuinely light and the envelope tight, LRM is the smaller family (its ratings are not published, so we confirm them against your figures); if the travel is short and crossed-roller rigidity matters more than reach, look at LGC. Finally fix accuracy (N here), preload (C, which costs installation latitude), the M6 grease nipple, and the pairing code if you will order carriages against this rail later.
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 LSH20HN1X1050S15CN-M6 FAQ
Per standard-length LSH20 carriage: dynamic C 18.6 kN, static C0 28.6 kN, moments MR 0.27 / MP 0.25 / My 0.25 kN.m. N grade running parallelism sits anywhere in the 12 to 37 um band, the exact figure depending on finished rail length. Rail fixing: M5 screws at 882 N.cm (steel), 588 N.cm (cast iron), 441 N.cm (aluminium). Grease per carriage: 1.8 cm3 initial charge, 0.6 cm3 per top-up, interval 100 km of travel or 3 to 6 months, whichever arrives first. The 1050 mm rail is far below the 4040 mm Lmax for this size.
Usually yes on a long preloaded axis, but know the price. With grade C the permitted height deviation between rails drops to 50 um at 500 mm spacing (130 um applies only to the unpreloaded set), and permitted parallelism to 18 um versus 25 um, both proportional to the actual span. Shoulder corner radius must not exceed 0.5 mm on size 20. The self-aligning carriage absorbs only error inside these limits - it is not unlimited compensation. If your machined bed sits outside them, the A-preload version of this same set trades some rigidity for roughly 2.6 times more height tolerance.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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