Model Number Coding
Model number confi gurations diff er depending on the model features. Refer to the corresponding sample model number confi guration.
LM Guide
Model
● Models SHS, SSR, SVR/SVS, SHW, HSR, SR, NR-X/NRS-X, NR/NRS, HRW, JR, NSR-TBC, HSR-M1, SR-M1, and HSR-M2

- (*1)
-
(*2)
See radial clearance symbol
-
(*3)
See LM block with surface treatment
-
(*4)
See accuracy symbol
- (*5)
-
Note1)
This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
Grease nipples are not installed when there is a QZ Lubricator. Contact THK if you want to use a grease nipple for a model with a QZ. -
Note2)
Contact THK for details about the special features of LM blocks and LM rails.
● Model EPF

-
(*1)
See accuracy symbol
-
Note)
This model number indicates that a single-rail unit constitutes one set.
Roller Type LM Guide
Model
● Models SRG, SRN, SRW, and HRX

- (*1)
-
(*2)
See radial clearance symbol
-
(*3)
See LM block with surface treatment
-
(*4)
See accuracy symbol
- (*5)
-
Note1)
Models SRG15 to 65 are available in High Accuracy grade and above. Other models are only available in Precision grade and above. (Normal grade is not available.)
Model SRN is available in High Accuracy grade and above. (Normal grade is not available.)
Model SRW is available in precision grade and above. (Normal and high accuracy grade are not available.)
The Model HRX is only available in High Accuracy grade and Precision grade. -
Note2)
This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
Grease nipples are not installed when there is a QZ Lubricator. Contact THK if you want to use a grease nipple for a model with a QZ. -
Note3)
Contact THK for details about the special features of LM blocks and LM rails.
Miniature LM Guide
Model
● Models SRS, RSX, RSR, RSX-M1, and RSR-M1

-
(*1)
No symbol for 1 LM block.
- (*2)
-
(*3)
See radial clearance symbol
-
(*4)
See LM block with surface treatment
-
(*5)
See accuracy symbol
- (*6)
-
Note1)
This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
Grease nipples are not installed when there is a QZ Lubricator. Contact THK if you want to use a grease nipple for a model with a QZ. -
Note2)
Contact THK for details about the special features of LM blocks and LM rails.
Cross LM Guide
Model
● Models SCR, CSR, and MX

- (*1)
-
(*2)
See radial clearance symbol
-
(*3)
See accuracy symbol
-
Note)
Grease nipples are not installed when there is a QZ Lubricator. Contact THK if you want to use a grease nipple for a model with a QZ.
Separate Type LM Guide
Model
● Model HR

- (*1)
-
(*2)
See accuracy symbol
-
Note)
One set of model HR means a combination of two LM rails and LM blocks used on the same plane.
● Model GSR
● Combination of LM rail and LM block

- (*1)
-
(*2)
See accuracy symbol
-
Note)
One set of model GSR: This model number indicates that a single-rail unit constitutes one set.
Curved Guide
Model
● Model HCR

- (*1)
-
(*2)
See radial clearance symbol
-
(*3)
See accuracy symbol
-
(*4)
Number of LM rails used for one arc. Contact THK for details.
-
(*5)
When using joined LM rails for models HCR15 to 65, the end seal utilized for contamination protection options will be a low-resistance end seal.
Straight-and-Curved Guide
Model
● Model HMG

- (*1)
- (*2)
-
Note)
This model number denotes one set consists of an LM block and LM rail. (i.e. If you are using 2 shafts, the required number of sets is 2.)
The standard Model HMG does not have a seal. To attach a seal, make sure to specify a straight-and-curved seal (code: UU).
LM Guide for Medium-to-Low Vacuums
Model
● Model HSR-M1VV

-
(*1)
See radial clearance symbol
- (*2)
-
(*3)
See accuracy symbol
- (*4)
-
Note1)
The radial clearance, maximum LM rail length and accuracy class are equal to that of Model HSR.
-
Note2)
With this model, a single-rail unit constitutes one set (i.e., the required number of sets when 2 rails are used in parallel is 2).