Caged Ball LM Guide Miniature Model SRS
Since its LM rail has a low cross-sectional height, this LM Guide achieves a lightweight and compact structure.
Size : 5,7,9,12,15,20,25
Types
Highlight feature tags
- Long block LM Guide
- Wide block
- Bolts mounted from above
- Short block (LM Guide)
- Bolts mounted from above
- Short block (LM Guide)
Basic load rating (kN): Basic dynamic load rating 1.09 to 4.50 / Basic static load rating 0.964 to 4.24
Size :
7,9,12,15
- Wide block
- Bolts mounted from above
- Short block (LM Guide)
Basic load rating (kN): Basic dynamic load rating 1.38 to 6.64 / Basic static load rating 1.35 to 6.78
Size :
7,9,12,15
- Bolts mounted from above
Basic load rating (kN): Basic dynamic load rating 0.439 to 16.5 / Basic static load rating 0.468 to 22.3
Size :
5,7,9,12,15,20,25
- Wide block
- Bolts mounted from above
Basic load rating (kN): Basic dynamic load rating 0.584 to 9.12 / Basic static load rating 0.703 to 8.59
Size :
5,7,9,12,15
- Long block LM Guide
- Bolts mounted from above
Basic load rating (kN): Basic dynamic load rating 0.515 to 9.71 / Basic static load rating 0.586 to 11.9
Size :
5,7,9,12,15
- Long block LM Guide
- Wide block
- Bolts mounted from above
Basic load rating (kN): Basic dynamic load rating 0.746 to 12.4 / Basic static load rating 0.996 to 15.3
Size :
5,7,9,12,15
Features
Structure and Features
Caged Ball LM Guide model SRS has a structure where two raceways are incorporated into the compact body, enabling the model to receive loads in all directions, and to be used in locations where a moment is applied with a single rail. In addition, use of ball cages eliminates friction between balls, thus achieving high speed, low noise, acceptable running sound, long service life, and long-term maintenance-free operation.
Low Dust Generation
Use of ball cages eliminates friction between balls and retains lubricant, thus achieving low dust gen-eration. In addition, the LM block and LM rail use stainless steel, which is highly resistant to corrosion.
Compact
Because the LM rail has a low cross-sectional height and a compact structure with a single row of balls on either side, it can be installed in smaller areas.
Lightweight
Since part of the LM block (e.g., around the ball relief hole) is made of resin and formed through insert molding, SRS is a lightweight, low inertia type of LM Guide.
Flatness of the LM Rail and the LM Block Mounting Surface
Since the Model SRS has Gothic-arch grooves, any precision errors in the mounting surface may negatively affect its operability. Therefore, we recommend using SRS on mounting surfaces made with high precision.
| Model No. | Flatness error |
| SRS 5 | 0.015/200 |
| SRS 7 | 0.025/200 |
| SRS 9 | 0.035/200 |
| SRS 12 | 0.050/200 |
| SRS 15 | 0.060/200 |
| SRS 20 | 0.070/200 |
| SRS 25 | 0.070/200 |
- Note 1) As many factors can affect the mounting precision, we recommend using values 70% or less than those shown.
- Note 2) The above figures apply to normal clearances.When using two or more rails with C1 clearance, we recommend using values 50% or less than those shown.
Detailed information for each model number
Dimensional drawing/Dimensional table
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Member-Exclusive Content
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after registering as a member.
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Easy product comparisonsHighlight feature -
Save items for laterreview Favorites feature
Benefit 2: Exclusive content
| Products | Contents |
|---|---|
| LM Guide | LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc. |
| Ball Screw | Axial clearance, maximum manufacturing length of shaft, etc. |
| Actuator | Movable part mass, etc. |
Standard Lengths and Maximum Lengths of LM Rails
THK Online Services
Member-Exclusive Content
These contents can be accessed
after registering as a member.
Benefit 1: Useful features
-
Easy product comparisonsHighlight feature
-
Save items for laterreview Favorites feature
Benefit 2: Exclusive content
| Products | Contents |
|---|---|
| LM Guide | LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc. |
| Ball Screw | Axial clearance, maximum manufacturing length of shaft, etc. |
| Actuator | Movable part mass, etc. |
