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THK LF BALL SPLINE

THK LF BALL SPLINE

 

Model No.

Spline-nut dimensions

Outer
diameter
D

Outer
diameter
D
Tolerance

Length
L1

Length
L1
Tolerance

Flange
dimensions
D1

Flange
dimensions
D1
Tolerance

H

F

PCD

Mounting hole
d1
×d2×h

LF 6S
2LF 6S

14

0
-0.011

25

0
-0.2

30

0
-0.2

5

7.5

22

3.4×6.5×3.3

LF 8S
2LF 8S

16

25

32

5

7.5

24

3.4×6.5×3.3

LF 10S
2LF 10S

21

0
-0.013

33

42

6

10.5

32

4.5×8×4.4

LF 13S
2LF 13S

24

36

44

7

11

33

4.5×8×4.4

LF 16S
2LF 16S

31

50

51

7

18

40

4.5×8×4.4

LF 20S
2LF 20S

35

0
-0.016

63

58

9

22.5

45

5.5×9.5×5.4

LF 25S
2LF 25S

42

71

0
-0.3

65

9

26.5

52

5.5×9.5×5.4

LF 30S
2LF 30S

47

80

75

10

30

60

6.6×11×6.5

LF 40S
2LF 40S

64

0
-0.019

100

100

14

36

82

9×14×8.6

LF 50S
2LF 50S

80

125

124

16

46.5

102

11×17.5×11

Model No.

 

Spline-shaft dimensions

Basic torque
rating

Basic load
rating (radial)

r

Oiling
port
d3

d0
h7

d

d
Tolerance

l

Length
L(
l 0)

Chamfer
C

C
kN

C0
kN

CT
Nm

C0T
Nm

LF 6S
2LF 6S

0.5

1

6

6

0
-0.012

100

150(50)
200(100)

0.5

1.18

2.16

0.98

1.96

LF 8S
2LF 8S

0.5

1.5

8

8

0
-0.015

100

150(50)
200(100)
250(150)

0.5

1.47

2.55

1.96

2.94

LF 10S
2LF 10S

0.5

1.5

10

10

100

200(100)
300(200)

0.5

2.84

4.90

3.92

7.84

LF 13S
2LF 13S

0.5

1.5

13

13

0
-0.018

100

200(100)
300(200)
400(300)

0.5

3.53

5.78

5.88

10.8

LF 16S
2LF 16S

0.5

2

16

14.3

+0.1
 0

100

200(100)
300(200)
400(300)

0.5

7.06

12.6

31.4

34.3

LF 20S
2LF 20S

0.5

2

20

17.8

100

300(200)
400(300)
500(400)
600(500)

0.5

10.2

17.8

56.9

55.9

LF 25S
2LF 25S

0.5

3

25

22.8

100

300(200)
400(300)
500(400)
600(500)
800(700)

0.5

15.2

25.8

105

103

LF 30S
2LF 30S

0.5

3

30

27.8

100

400(300)
500(400) 
600(500)
700(600)
1100(1000)

0.5

20.5

34.0

171

148

LF 40S
2LF 40S

0.5

4

40

36.3

100

500(400)
700(600)
900(800)
1100(1000)
1600(1500)

1

37.8

60.5

419

377

LF 50S
2LF 50S

1

4

50

45.3

100
(200)

600(500)
1100(1000)
1300(1200)
1700(1600)

*2200(2000)

1

60.9

94.5

842

769

 1kN102kgf
1
Nm0.102kgfm


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