Airtac LSH Linear Guide Rail LSH30BK-F2L-N-B-M6
The AirTAC Airtac LSH Linear Guide Rail LSH30BK-F2L-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 lengthLong 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-F2L-N-B-M6
AirTAC's LSH30BK-F2L-N-B-M6 is the carriage by itself: one bottom-flange (F2) long block in size 30, normal accuracy grade, with an M6 grease nipple and pairing code B. No rail is included and none is quoted in this code - rail length and preload belong to a complete set or a rail-only order. The parent series runs on a 28 mm wide profile rail, so the size code 30 is not the width; check that figure before machining a mounting plate. Four rows of recirculating balls sit in X-arranged 45 degree arc raceways with two-point contact per ball, which evens out capacity in all four directions and absorbs slight mounting-surface error inside the block instead of binding the slide.
Per carriage the long body is rated 45.7 kN basic dynamic and 73.1 kN basic static, with allowable static moments of 0.88 kN.m MR, 0.91 kN.m MP and 0.91 kN.m My. Against the standard LSH30 block, going long adds about 22 percent dynamic capacity and about 33 percent moment - on a cantilevered load, moment is usually what decides the size, not C. The block is pre-filled with Mobilux EP2, first charge 7.2 cm3.
Airtac LSH Linear Guide Rail LSH30BK-F2L-N-B-M6 Technical Specifications
| Model | Airtac LSH Linear Guide Rail LSH30BK-F2L-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 | 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 | 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-F2L-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. |
| L | Long 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-F2L-N-B-M6 Is Used
CNC router gantry refurbishment
A CNC router whose gantry has developed shudder usually needs new carriages, not a new machine. This F2 long block restores travel on an undamaged 28 mm LSH30 rail; pairing letter B keeps the replacement matched to the rail already bolted to the bed.
Pick-and-place Z-axis upgrade
Upgrading a palletising cell's vertical slide from a standard to a long carriage raises moment capacity from 0.66 to 0.88 kN.m, which suits the overhung gripper and part mass at full extension without changing the rail or the frame.
Flow-wrapper seal head repair
On a horizontal flow-wrapper, the sealing head slides on guides that see heat, product dust and washdown. Swapping in fresh long bottom-flange blocks during the annual overhaul restores smooth jaw travel, and the F2 flange bolts from below so nothing stands proud above the carriage to foul the film path.
Is the Airtac LSH Linear Guide Rail LSH30BK-F2L-N-B-M6 the Right Guide?
Buying the block alone is the economic repair when the rail is straight and undamaged: a replacement carriage costs roughly a quarter of a complete set, provided you quote pairing letter B so the new block matches the old rail. If your duty is light and the envelope small, step down to LRM - its load ratings are not published, so we confirm them with you. If travel is short and you need crossed-roller rigidity rather than long recirculating travel, step across to LGC. Checklist before ordering: form (carriage only), size chosen by load AND moment, F2 bottom-flange style, long body, accuracy N, M6 fitting, and pairing code B read off the original part.
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-N-B-M6 FAQ
Basic dynamic load rating C is 45.7 kN and basic static C0 is 73.1 kN per carriage. Allowable static moments are MR 0.88, MP 0.91 and My 0.91 kN.m. Accuracy grade N gives running parallelism of 12 to 37 um depending on rail length. The mating rail takes M8 screws torqued to 3040 N.cm in steel, 2010 in cast iron or 1470 in aluminium. The block arrives charged with 7.2 cm3 of Mobilux EP2; re-grease 2.2 cm3 every 100 km of travel or every 3 to 6 months, whichever comes first.
No rail is included - this SKU is the carriage only, and the code has no preload position because preload is fixed by the carriage-and-rail combination on a complete set. Rails and carriages carry a pairing letter and must share it: to complete the guide, order an LSH30RLX rail with code B. When replacing a worn block, read the letter off the original carriage or rail before ordering.
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-F2L-N-B-M6
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.