Airtac LSH Linear Guide Rail LSH30BK-F2N-N-B-M6
The AirTAC Airtac LSH Linear Guide Rail LSH30BK-F2N-N-B-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 lengthStandard carriage
- AccuracyN — normal 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-F2N-N-B-M6
This listing is the carriage only: one AirTAC LSH30BK-F2N-N bottom-flange block, normal accuracy grade, with an M6 grease fitting and pairing code B. No rail is included and none is implied - order this part when you already own a sound LSH30 rail marked B. Inside the block, four rows of balls recirculate through X-shaped arc raceways set at a 45 degree contact angle with two contact points per ball, so downward, lifted and side loads all draw on the same capacity, and slight mounting-surface error is absorbed within the carriage instead of binding the balls. Mind the size code: a size 30 carriage runs on a rail 28 mm wide, not 30 mm.
Per carriage, the catalogue rates this standard-length size 30 block at 37.4 kN dynamic and 55.0 kN static, with moments of 0.66 / 0.67 / 0.67 kN.m about MR, MP and My. Static sits near 1.5 times dynamic, a pattern that holds across the LSH range - size on C for travel life, and reach for C0 only where shock or dropped loads dominate. Because a block costs roughly a quarter of a full set, replacing the carriage on a rail that is still true is usually the cheapest route back to a smooth axis.
Airtac LSH Linear Guide Rail LSH30BK-F2N-N-B-M6 Technical Specifications
| Model | Airtac LSH Linear Guide Rail LSH30BK-F2N-N-B-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 | Standard carriage |
| 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 | N — normal 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-F2N-N-B-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. |
| N | Standard carriage. |
| N | N — normal 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-F2N-N-B-M6 Is Used
Measuring machine carriage rebuild
A coordinate measuring machine axis that has gone rough under load can often be revived by changing the block alone; a B-coded replacement matched to the rail brings back the original running feel without disturbing the machine datum.
Pick-and-place gantry extension
Adding a second gripper station to an existing LSH30 gantry? An under-mounted F2 block bolts through the bottom of the tooling plate, so the top face stays clear for the new hardware.
Multi-axis spare holding
Maintenance teams that keep one letter-matched spare per rail size turn a failed linear axis into a short changeover; this size 30 B-coded block is that spare for any B rail on the floor.
Is the Airtac LSH Linear Guide Rail LSH30BK-F2N-N-B-M6 the Right Guide?
Start by confirming the form: this is a carriage, not a set. If the duty is light and the envelope tight, step down to LRM - a smaller series whose load ratings are not published, so we confirm them before you commit. If the travel is short and the job wants crossed-roller rigidity rather than long recirculating travel, move across to LGC. Where a moment governs, note that the long LSH30L carriage lifts MR from 0.66 to 0.88 kN.m, about a third more, while dynamic rating climbs only from 37.4 to 45.7 kN. Match checklist: form (carriage only), size chosen by load AND moment, F2 bottom-flange style, standard length, N accuracy, M6 fitting - and above all the pairing code B, which must agree with the letter on your rail.
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-F2N-N-B-M6 FAQ
Dynamic rating C 37.4 kN, static C0 55.0 kN, moments MR 0.66 / MP 0.67 / My 0.67 kN.m. N-grade running parallelism falls in a 12-37 um band across the rail-length range. Fix the rail with M8 screws torqued to 3040 N.cm on steel, 2010 N.cm on cast iron, 1470 N.cm on aluminium; mounting shoulder H 6.5 mm, corner radius 1 mm max. First grease charge 5.4 cm3, top-up 1.7 cm3, refreshed every 100 km of travel or every 3 to 6 months, whichever comes first.
One bottom-flange F2 block, and nothing else; the rail is a separate order. Pairing code B is the match letter: an LSH30 carriage should run on an LSH30 rail bearing the same letter. Because carriages of one model are interchangeable across that model's rails, a B-coded replacement keeps the smoothness, preload and accuracy of the original pairing - provided the rail itself is still sound.
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 LSH30BK-F2N-N-B-M6
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.