THK LTR BALL SPLINE

Model No.

Spline-nut dimensions

Outer
diameter
D

Outer
diameter
D
Tolerance

Length
L

Flange
dimen-
sions
D₁

D₂^h7

H

L₁

B

P

P₁

M×t

d₁

U^{2 )}

LTR 16

52

0
 -0.007

50

68

39.5

5

37

10

60

32

M5×8

4.5

5

LTR 20

56

63

72

43.5

6

48

12

64

36

M5×8

4.5

7

LTR 25

62

71

78

53

6

55

13

70

45

M6×8

4.5

8

LTR 32

80

80

105

65.5

9

60

17

91

55

M6×10

6.6

10

LTR 40

100

0
 -0.008

100

130

79.5

11

74

23

113

68

M6×10

9

13

LTR 50

120

125

156

99.5

12

97

25

136

85

M10×15

11

13

LTR 60

134

0
 -0.009

140

170

115

12

112

25

150

100

M10×15

11

13

Model No.

Spline-nut
dimensions

Basic load
rating

Basic torque
rating

Static
permissible
moment

Support-bearing
basic
load rating

Mass

Shaft
diameter
d^h7

No. of
trains of
balls

C
kN

C₀
kN

C_T
N•m

C_0T
N•m

M_A^{1 )}
N•m

C
kN

C₀
kN

Spline
nut
kg

Spline
shaft
kg/m

LTR 16

16

6

7.06

12.6

31.4

34.3

67.6

12.7

11.8

0.51

1.6

LTR 20

20

6

10.2

17.8

56.9

55.9

118

16.3

15.5

0.7

2.5

LTR 25

25

6

15.2

25.8

105

103

210

17.6

18.0

0.93

3.9

LTR 32

32

6

20.5

34.0

180

157

290

20.1

24.0

1.8

5.6

LTR 40

40

6

37.8

60.5

419

377

687

37.2

42.5

3.9

9.9

LTR 50

50

6

60.9

94.5

842

769

1340

41.7

54.1

6.7

15.5

LTR 60

60

6

73.5

111.7

1220

1040

1600

53.1

68.4

8.8

22.3