THK FK

Model No.

Shaft
diameter
d1

L

H

F

E

D

A

PCD

B

FK 4

4

15

6

9

17.5

32

24

25

FK 5

5

16.5

6

10.5

18.5

34

26

26

FK 6

6

20

7

13

22

36

28

28

FK 8

8

23

9

14

26

43

35

35

Model No.

Mounting
method A

Mounting
method B

X

Y

Z

M

T

Bearing used

L1

T1

L2

T2

FK 4

5.5

3

6.5

4

3.4

6.5

4

M2.6

10

AC4-12P5

FK 5

5.5

3.5

7

5

3.4

6.5

4

M2.6

11

AC5-14P5

FK 6

5.5

3.5

8.5

6.5

3.4

6.5

4

M3×0.5

12

AC6-16P5

FK 8

7

4

10

7

3.4

6.5

4

M3×0.5

14

79M8ADFGMP5

Model No.

Shaft
diameter
d1

L

H

F

E

D

A

PCD

B

FK 10

10

27

10

17

29.5

52

42

42

FK 12

12

27

10

17

29.5

54

44

44

FK 15

15

32

15

17

36

63

50

52

FK 20

20

52

22

30

50

85

70

68

FK 25

25

57

27

30

60

98

80

79

FK 30

30

62

30

32

61

117

95

93

Model No.

Mounting
method A

Mounting
method B

X

Y

Z

M

T

Bearing used

L1

T1

L2

T2

FK 10

7.5

5

8.5

6

4.5

8

4

M3×0.5

16

7000DFGMP5

FK 12

7.5

5

8.5

6

4.5

8

4

M3×0.5

19

7001DFGMP5

FK 15

10

6

12

8

5.5

9.5

6

M3×0.5

22

7002DFGMP5

FK 20

8

10

12

14

6.6

11

10

M4×0.7

30

7204DFGMP5

FK 25

13

10

20

17

9

15

13

M5×0.8

35

7205DFGMP5

FK 30

11

12

17

18

11

17.5

15

M6

40

7206DFGMP5