Airtac LSH Linear Guide Rail LSH30BK-F2L-H-D-M6
The AirTAC Airtac LSH Linear Guide Rail LSH30BK-F2L-H-D-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 asCarriage / block only
- SizeLSH30
- Rail width28 mm
- Carriage lengthLong carriage
- AccuracyH — high grade
- 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 LSH30BK-F2L-H-D-M6
This SKU is the single carriage from the LSH range, ordered without rail: size 30, F2 bottom-flange pattern, long body, high accuracy, M6 fitting, pairing letter D. Nothing else arrives with it - no rail segment, no fixing screws - and the code has no preload position, so if your machine calls for a defined preload grade, confirm it with us against the datasheet before ordering. Inside, four rows of recirculating balls contact X-shaped arc raceways at 45 degrees, two points per ball, which is what lets the block tolerate slight misalignment of the mounting face while staying equally strong in all four load directions. The mating rail is 28 mm wide despite the size 30 label.
Static rating is 73.1 kN against 45.7 kN dynamic - a ratio of about 1.6, consistent across the whole LSH range. Size on C, the dynamic figure, because that is what governs travel life; buyers who pick the bigger C0 number often end up oversizing the axis. Moments for this long body: MR 0.88, MP 0.91, My 0.91 kN.m. The high accuracy grade holds running parallelism within a 7 to 28 um band across the rail-length range.
Airtac LSH Linear Guide Rail LSH30BK-F2L-H-D-M6 Technical Specifications
| Model | Airtac LSH Linear Guide Rail LSH30BK-F2L-H-D-M6 |
|---|---|
| Series | LSH Series Linear Guide |
| Supplied as | Carriage / block only |
| 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 | Flange, bottom mounting |
| Carriage length | Long carriage |
| Basic dynamic load rating C | 45.7 kN per carriage |
|---|---|
| Basic static load rating C0 | 73.1 kN per carriage |
| Allowable static moment | MR 0.88 / MP 0.91 / My 0.91 kN·m |
| Accuracy grade | H — high grade |
| 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, matched by the pairing code |
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. This item is a carriage only. Order a complete set if you also need a rail.
Model Code: Airtac LSH Linear Guide Rail LSH30BK-F2L-H-D-M6
| LSH | LSH Series Linear Guide. |
|---|---|
| 30 | Size code — note the rail is 28 mm wide, not 30 mm. |
| BK | Carriage / block only — no rail supplied. |
| H / F1 / F2 / F3 | Carriage style: square, or flange mounted from the top, bottom, or both. |
| L | Long carriage. |
| H | H — high grade. |
| Pairing code | Rails and carriages must share a pairing code. Take it from the original part when replacing. |
| -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 | Carriage / block only |
|---|---|
| Rail | No — not supplied with this item |
| Carriage | Yes, one |
This is a carriage on its own. NO RAIL IS INCLUDED. 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 LSH30BK-F2L-H-D-M6 Is Used
Transfer line lift station
Lift-and-shift units on an automotive transfer line see vertical load plus overturning from the offset part carrier; this long body's 0.88 kN.m MR covers an offset that the standard block's 0.66 kN.m cannot.
SMT dispenser head
A glue dispenser head on an electronics assembly machine overhangs its guide; sizing on static C0 (73.1 kN) instead of dynamic C (45.7 kN) risks an oversized axis, since C is what governs travel life.
Machine rebuild upgrade
Rebuilding an older three-axis mill? Upgrading its blocks to this long version raises MR from 0.66 to 0.88 kN.m on the existing rail - more moment headroom without redesigning the mounting.
Is the Airtac LSH Linear Guide Rail LSH30BK-F2L-H-D-M6 the Right Guide?
Match five things before you buy. First, the form: carriage only, so if you expected a rail in the box this is the wrong code - complete sets carry an X and a rail length instead of BK. Second, size by load AND moment: dynamic rating governs travel life, MR governs overhung loads; for light duties in tight spaces consider LRM (ratings unpublished - we confirm them), and for short-travel work where crossed-roller rigidity matters more than long travel, consider LGC. Third, mounting style: F2 bolts from below through the flange, leaving the top face unobstructed. Fourth, accuracy and fitting: H grade with M6, the correct fitting family for size 30. Fifth, the pairing code D - the rail you bolt this to must carry the same letter, so copy it from the old part's code before ordering.
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 LSH30BK-F2L-H-D-M6 FAQ
Use these per-carriage values: basic dynamic load rating C 45.7 kN, basic static C0 73.1 kN, allowable static moments MR 0.88 kN.m, MP 0.91 kN.m, My 0.91 kN.m (long body; the standard block gives 37.4 / 55.0 kN and 0.66 / 0.67 / 0.67 kN.m). Grade H running parallelism: 7 to 28 um depending on rail length. Mating LSH30 rail: 28 mm wide, M8 screws at 3040 / 2010 / 1470 N.cm on steel / cast iron / aluminium. Grease: 7.2 cm3 first charge, 2.2 cm3 top-up, re-grease every 100 km of travel or every 3 to 6 months.
One long-body F2 flange carriage, high accuracy, with an M6 fitting and pairing letter D. No rail is included, and this code states no preload grade - if your build needs a defined preload, confirm it with us first. The carriage will run on any LSH30 rail of the same model that carries the pairing letter D; a rail with a different letter is not a match, so read the code off your existing rail or old block and order to it.
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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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