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Miniature LM Guides - SRS Model Assembly.

THK

A miniature type with a compact structure. Can be mounted in areas in space saving areas, and a part of the LM block has been formed using resin to achieve lightweight.
* When ordering matched rail types, please input a multiple of the number of required rail types as your order quantity.
(Example) required rails: 2(-II)⇒ Order quantity: "2, 4, 6..."
Required rails: 3 3(-III)⇒ Order quantity: "3, 6, 9..."
Please place your orders in this manner.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

: 30; 45; 60

Part Number
SRS9WN+[52-1430/1]LHM
SRS9WNC1+[52-1430/1]LHM
SRS9XN+[42-1240/1]LHM
SRS9XNC1+[42-1240/1]LHM
SRS12WN+[61-2000/1]LHM
SRS12WNC1+[61-2000/1]LHM
SRS15N+[62-2000/1]LHM
SRS15NC1+[62-2000/1]LHM
SRS15WN+[76-2000/1]LHM
SRS15WNC1+[76-2000/1]LHM
SRS20M+[51-1800/1]LHM
SRS20MC1+[51-1800/1]LHM
2SRS9WNC1+[52-1430/1]LHM
2SRS9WN+[52-1430/1]LHM
2SRS9XNC1+[42-1240/1]LHM
2SRS9XN+[42-1240/1]LHM
2SRS12WNC1+[61-2000/1]LHM
2SRS12WN+[61-2000/1]LHM
2SRS15NC1+[62-2000/1]LHM
2SRS15N+[62-2000/1]LHM
2SRS15WNC1+[76-2000/1]LHM
2SRS15WN+[76-2000/1]LHM
2SRS20M+[51-1800/1]LHM
2SRS20MC1+[51-1800/1]LHM
3SRS9WNC1+[52-1430/1]LHM
3SRS9WN+[52-1430/1]LHM
3SRS9XN+[42-1240/1]LHM
3SRS9XNC1+[42-1240/1]LHM
3SRS12WN+[61-2000/1]LHM
3SRS12WNC1+[61-2000/1]LHM
3SRS15N+[62-2000/1]LHM
3SRS15NC1+[62-2000/1]LHM
3SRS15WN+[76-2000/1]LHM
3SRS15WNC1+[76-2000/1]LHM
3SRS20M+[51-1800/1]LHM
3SRS20MC1+[51-1800/1]LHM
4SRS9WNC1+[52-1430/1]LHM
4SRS9WN+[52-1430/1]LHM
4SRS9XNC1+[42-1240/1]LHM
4SRS9XN+[42-1240/1]LHM
4SRS12WN+[61-2000/1]LHM
4SRS12WNC1+[61-2000/1]LHM
4SRS15N+[62-2000/1]LHM
4SRS15NC1+[62-2000/1]LHM
4SRS15WN+[76-2000/1]LHM
4SRS15WNC1+[76-2000/1]LHM
4SRS20M+[51-1800/1]LHM
4SRS20MC1+[51-1800/1]LHM
5SRS9WNC1+[52-1430/1]LHM
5SRS9WN+[52-1430/1]LHM
5SRS9XN+[42-1240/1]LHM
5SRS9XNC1+[42-1240/1]LHM
5SRS12WN+[61-2000/1]LHM
5SRS12WNC1+[61-2000/1]LHM
5SRS15N+[62-2000/1]LHM
5SRS15NC1+[62-2000/1]LHM
5SRS15WN+[76-2000/1]LHM
5SRS15WNC1+[76-2000/1]LHM
5SRS20MC1+[51-1800/1]LHM
5SRS20M+[51-1800/1]LHM

Minimum order quantity	Days to Ship	Block Type	Rail Type	Rail Width W1 (mm)	Mounting Height M (mm)	The number of LM blocks combined with a axis	Rail Length L (mm)	Radial Clearance	Accuracy Grade	Nominal Part Number	Basic Load Rating Dynamic Rating C (N)	Basic Load Rating Static Rating Co (N)	Allowable Static Moment MA (N⋅m)	Allowable Static Moment MB (N⋅m)	Allowable Static Moment MC (N⋅m)	Block Mounting Hole Pitch (Width Direction) (mm)	Block Mounting Hole Pitch (Length Direction) (mm)	Block Mounting Hole Diameter	Rail Mounting Hole Pitch (mm)	Rail Mounting Hole Diameter	Block external dimension W (mm)	Block external dimension L (mm)	Number of Block Mounting Holes (holes)	Mounting Hole Dimension S (M)	Mounting Hole Screw Depth (mm)	Block dimension L1 (mm)	Symbols for Dust Resistance
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	1	52 ～ 1430	Normal	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	1	52 ～ 1430	Light Preload	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	1	42 ～ 1240	Normal	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	1	42 ～ 1240	Light Preload	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	1	61 ～ 2000	Normal	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	1	61 ～ 2000	Light Preload	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	1	62 ～ 2000	Normal	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	1	62 ～ 2000	Light Preload	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	1	76 ～ 2000	Normal	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	1	76 ～ 2000	Light Preload	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	1	51 ～ 1800	Normal	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	1	51 ～ 1800	Light Preload	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	2	52 ～ 1430	Light Preload	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	2	52 ～ 1430	Normal	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	2	42 ～ 1240	Light Preload	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	2	42 ～ 1240	Normal	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	2	61 ～ 2000	Light Preload	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	2	61 ～ 2000	Normal	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	2	62 ～ 2000	Light Preload	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	2	62 ～ 2000	Normal	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	2	76 ～ 2000	Light Preload	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	2	76 ～ 2000	Normal	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	2	51 ～ 1800	Normal	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	2	51 ～ 1800	Light Preload	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	3	52 ～ 1430	Light Preload	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	3	52 ～ 1430	Normal	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	3	42 ～ 1240	Normal	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	3	42 ～ 1240	Light Preload	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	3	61 ～ 2000	Normal	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	3	61 ～ 2000	Light Preload	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	3	62 ～ 2000	Normal	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	3	62 ～ 2000	Light Preload	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	3	76 ～ 2000	Normal	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	3	76 ～ 2000	Light Preload	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	3	51 ～ 1800	Normal	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	3	51 ～ 1800	Light Preload	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	4	52 ～ 1430	Light Preload	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	4	52 ～ 1430	Normal	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	4	42 ～ 1240	Light Preload	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	4	42 ～ 1240	Normal	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	4	61 ～ 2000	Normal	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	4	61 ～ 2000	Light Preload	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	4	62 ～ 2000	Normal	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	4	62 ～ 2000	Light Preload	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	4	76 ～ 2000	Normal	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	4	76 ～ 2000	Light Preload	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	4	51 ～ 1800	Normal	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	4	51 ～ 1800	Light Preload	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	5	52 ～ 1430	Light Preload	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Wide] Wide	Wide Rail	18	12	5	52 ～ 1430	Normal	High Grade	9W	4200	4370	25.1	29.1	41.3	23	24	3	30	3.5	30	50.7	4	M3	2.8	38.7	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	5	42 ～ 1240	Normal	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days	[Long] N: Long	Standard	9	10	5	42 ～ 1240	Light Preload	High Grade	9X	3480	3980	18.7	21.6	18.3	15	16	3	20	3.5	20	40.8	4	M3	2.8	29.8	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	5	61 ～ 2000	Normal	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	24	14	5	61 ～ 2000	Light Preload	High Grade	12W	7130	7070	49.2	49.2	88.7	28	28	3	40	4.5	40	59.5	4	M3	3.5	45.9	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	5	62 ～ 2000	Normal	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Long] N: Long	Standard	15	16	5	62 ～ 2000	Light Preload	High Grade	15	9710	8550	59.7	59.7	60.7	25	25	3	40	3.5	32	60.8	4	M3	3.5	43.5	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	5	76 ～ 2000	Normal	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Wide] Wide	Wide Rail	42	16	5	76 ～ 2000	Light Preload	High Grade	15W	12400	12100	106	106	250	45	35	4	40	4.5	60	74.5	4	M4	4.5	57.9	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	5	51 ～ 1800	Light Preload	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-
1 Piece(s)	17 Days or more	[Standard] M: Compact	Standard	20	20	5	51 ～ 1800	Normal	High Grade	20	7750	9770	54.3	62.4	104	30	25	4	60	6	40	50	4	M4	6	34	-

Product TOP

Basic Information

Set / Single Item	Set	Material	Stainless Steel	Ball Arrangement	2 Row Gothic
Retainer	Available	Rolling Element	Ball	Mounting hole for blocks	Tapped Holes

Configure

108 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Block Type
- Standard
  - M: Compact
- Wide
  - Wide
- Long
  - N: Long
Clear
Rail Type
- Standard
- Wide Rail
Clear
Rail Width W1(mm)
5

7

9

10

12

14

15

18

20

24

42
Clear
Mounting Height M(mm)
6

6.5

8

9

10

12

13

14

16

20
Clear
The number of LM blocks combined with a axis
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
Clear
Rail Length L(mm)
[42-2000/1mm Unit(s)]
Clear
Radial Clearance
- Normal
- Light Preload
Clear
Nominal Part Number
5

5W

7

7W

9

9W

9X

12

12W

15

15W

20
Clear
Block Mounting Hole Pitch (Width Direction)(mm)
15

23

25

28

30

45
Clear
Block Mounting Hole Pitch (Length Direction)(mm)
11

16

24

25

28

35
Clear
Block Mounting Hole Diameter
3

4
Clear
Rail Mounting Hole Pitch(mm)
20

30

40

60
Clear
Rail Mounting Hole Diameter
3

3.5

4.5

6
Clear
Block external dimension W(mm)
12

17

20

25

27

30

32

40

60
Clear
Block external dimension L(mm)
16.9

22.1

23.4

28.1

30.8

31

34.4

39

40.8

43

44.5

50

50.7

55.5

59.5

60.8

74.5
Clear
Number of Block Mounting Holes(holes)
- 2
- 4
Clear
Mounting Hole Dimension S(M)
M2

M3

M4
Clear
Mounting Hole Screw Depth(mm)
1.5

2.3

2.8

3.2

3.5

4.5

6

Through
Clear
Block dimension L1(mm)
8.8

13.4

13.7

19.7

19.8

20.4

20.6

25.7

27

29.8

30.9

34

38.7

38.9

43.5

45.9

57.9
Clear
Symbols for Dust Resistance
A

End Seal

Seal (End + Side)

Seals (Double + Side + Inner) + LaCS
Clear
type
- SRS-M
- SRS-N
- SRS-WM
- SRS-WN
Clear
Accuracy Grade
- Normal Grade
- High Grade
- Precision Grade
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

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Consult the THK Technical Support Site as well when making selections.
The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Miniature LM Guides - SRS Model Assembly.

Basic Information

Configure

Specification/Dimensions

Block Type

Rail Type

Rail Width W1(mm)

Mounting Height M(mm)

The number of LM blocks combined with a axis

Rail Length L(mm)

Radial Clearance

Nominal Part Number

Block Mounting Hole Pitch (Width Direction)(mm)

Block Mounting Hole Pitch (Length Direction)(mm)

Block Mounting Hole Diameter

Rail Mounting Hole Pitch(mm)

Rail Mounting Hole Diameter

Block external dimension W(mm)

Block external dimension L(mm)

Number of Block Mounting Holes(holes)

Mounting Hole Dimension S(M)

Mounting Hole Screw Depth(mm)

Block dimension L1(mm)

Symbols for Dust Resistance

type

Accuracy Grade

CAD