Model No.

Spline-nut dimensions

Dimensions

Height
H

Width
W

Length
L

B

C

S× l

F
±0.15

W₁
±0.15

T

K

R

h

Grease
nipple

LBH 15

29

34

43

26

26

M4×10

15

17

6

20

14

5

Ø4 drive-fit
nipple

LBH 20

38

48

62

35

35

M6×12

20

24

7

26

18

7

A-M6F

LBH 25

47.5

60

73

40

40

M8×16

25

30

8

33

22

6

A-M6F

LBH 30

57

70

83

50

50

M8×16

30

35

10

39

26

8

A-M6F

LBH 40

70

86

102

60

60

M10×20

38

43

15

50

32

10

A-M6F

LBH 50

88

100

115

75

75

M12×25

48

50

18

63

40

13.5

A-PT1/8

Model No.

Basic torque rating

Basic load
rating
(radial)

Static
permissible
moment

Mass

C_T
N‧m

C_0T
N‧m

C
kN

C₀
kN

1)
M_A
N‧m

Spline nut
kg

Spline shaft
kg/m

LBH 15

30.4

74.5

4.4

8.4

25.4

0.23

1.0

LBH 20

90.2

213

9.4

20.1

103

0.58

1.8

LBH 25

176

381

14.9

28.7

171

1.10

2.7

LBH 30

312

657

22.5

41.4

295

1.73

3.8

LBH 40

696

1420

37.1

66.9

586

3.18

6.8

LBH 50

1290

2500

55.1

94.1

941

5.10

10.6