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Standard LM shaft (Part Numbers)
[Features]
· THK's dedicated high-quality linear bushing LM type.
· We offer LM shafts with short lead times.
· Precision grade LM shafts with shaft diameter tolerances of g5 and h5 are also manufactured as semi-standard products.
· We also manufacture martensitic stainless steel LM shafts with corrosion resistance.
(i)Caution
- During processing, there is a possibility that a step may form in the center of the inner side of the hollow shaft (pipe shaft).
- Only some products are available for handling at MISUMI (products with special materials or with surface treatment are not handled). For the latest information, please check the website. MISUMI does not support alteration, custom order, or similar requests.
- The product images are representative only. Specifications may vary by part number, including shape and color.
Drawing
Product Specification
[Main material]
SUJ2 (high carbon chrome bearing steel)
THK5SP (THK standard material)
SUS440C equivalent
[Hardness] 58–64 HRC (SUJ2, THK5SP), 56 HRC or higher (SUS440C equivalent)
[Hardening depth] 0.8–2.5 mm (varies depending on shaft diameter)
[Surface roughness] Ra 0.4 or less
[Straightness of LM shaft] 50 μm/300 mm or less
*No center hole drilling
Specifications Table
Model example
| Part number | Shaft fitting | Pipe inner diameter | — | Length L | Solid / Hollow | |
| Straight Pipe | SF8 SF8 | (G6) (G6) | X3 | — — | 500L 500L | K |
| Part number | Shaft diameter | Length of conveyance L | ||
|---|---|---|---|---|
| d | Tolerance g6 μm | Minimum Length | Maximum Length | |
| SF 3 | 3 | -2 -8 | 20 | 400 |
| SF 4 | 4 | -4 -12 | 20 | 400 |
| SF 5 | 5 | 20 | 500 | |
| SF 6 | 6 | 20 | 1,500 | |
| SF 8 | 8 | -5 -14 | 20 | 1,500 |
| SF 10 | 10 | 30 | 1,500 | |
| SF 12 | 12 | -6 -17 | 30 | 1,500 |
| SF 13 | 13 | 30 | 1,500 | |
| SF 16 | 16 | 40 | 3,000 | |
| SF 20 | 20 | -7 -20 | 40 | 3,000 |
| SF 25 | 25 | 50 | 3,000 | |
| SF 30 | 30 | 60 | 3,000 | |
| SF 35 | 35 | -9 -25 | 70 | 3,000 |
| SF 38 | 38 | 100 | 3,000 | |
| SF 40 | 40 | 100 | 3,000 | |
| SF 50 | 50 | 100 | 3,000 | |
| SF 60 | 60 | -10 -29 | 200 | 3,000 |
| SF 80 | 80 | 200 | 3,000 | |
| SF 100 | 100 | -12 -34 | 200 | 3,000 |
[ ! ]No center hole drilling
[ ! ]MISUMI does not support alteration or custom orders.
| Part Number |
|---|
| Part Number | Minimum order quantity | Volume Discount | Days to Ship | Basic Shape | Material | Shaft Dia. D (Ø) | Length L (mm) | Shaft fits | Material | Pipe inner diameter |
|---|
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Basic Information
| End Shape (Left) | No Machining | End Shape (Right) | No Machining | Heat Treatment | Induction hardened |
|---|---|---|---|---|---|
| Surface Treatment | No | Heat Treatment | HRC58～64 |
Specification/Dimensions
-
Basic Shape
-
Straight -
Pipe
-
-
Material
- SUJ2
- Stainless Steel
-
Shaft Dia. D(Ø)
-
Length L(mm)
-
Shaft fits
-
Material
- SUJ2
-
Pipe inner diameter
-
type
- SF
Days to Ship
-
- All
- 21 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- High Precision Linear Shafts - Stepped Ends / Stepped Ends with Wrench Flats - One End Threaded / Both Ends Threaded / One End Threaded / One End Tapped
- Linear Shafts-One End Stepped, Both Ends Female Thread-
- High Precision Linear Shafts - One End Stepped, Both Ends Tapped / One End Stepped, Both Ends Tapped with Wrench Flats
- Linear Shafts - Set Screw Grooved
- [Clean & Pack] Shaft - One End Threaded with Undercut and Wrench Flats
- Linear Shafts With Retaining Ring Grooves
- Tube Guide Shafts, Both End Threaded with Wrench Flats
- Linear Shaft, Straight Type, NS Series
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- 9:00am - 6:00pm (Monday - Friday)
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