Model No.

Screw
shaft
OD
d

Lead
l

Ball center-
to-center
diameter
dp

Thread
minor
diameter
d3

No. of
loaded
circuits/
Rows×turns

Basic load rating

Note)1
Rigidity
K
N/μm

Ca
kN

C0a
kN

BIF 1605-5

16

5

16.75

13.2

1×2.5

7.4

13.9

330

BIF 1606-5

6

16.8

13.2

1×2.5

7.5

14.0

330

BIF 1810-3

18

10

18.8

15.5

1×1.5

5.1

9.6

230

BIF 2004-5

20

4

20.5

17.8

1×2.5

4.8

10.9

360

BIF 2005-5

5

20.75

17.2

1×2.5

8.3

17.4

390

BIF 2006-3

6

20.75

17.2

1×1.5

5.4

10.5

250

BIF 2006-5

20.75

17.2

1×2.5

8.3

17.5

390

BIF 2505-3

25

5

25.75

22.2

1×1.5

6.0

13.1

280

BIF 2505-5

25.75

22.2

1×2.5

9.2

22.0

470

BIF 2508-5

8

26.25

20.5

1×2.5

15.8

32.8

500

BIF 2805-5

28

5

28.75

25.2

1×2.5

9.7

24.6

520

BIF 2805-10

28.75

25.2

2×2.5

17.4

49.4

1000

BIF 2806-5

6

28.75

25.2

1×2.5

9.6

24.6

520

BIF 2806-10

28.75

25.2

2×2.5

17.5

49.4

1000

 BIF 2810-3

10

29.75

22.4

2×1.5

15.7

29.4

350

Model No.

Nut dimensions

Screw-shaft inertial
moment per mm
kg‧cm²/mm

OD
D

Flange
diameter
D1

Overall
length
L

H

B1

PCD

d1×d2×h

Oiling port
A

BIF 1605-5

40

60

56

10

46

50

4.5×8×4.5

M6×1

5.05×10^-4

BIF 1606-5

40

60

62

10

52

50

4.5×8×4.5

M6×1

5.05×10^-4

BIF 1810-3

42

65

75

12

63

53

5.5×9.5×5.5

M6×1

8.09×10^-4

BIF 2004-5

40

63

53

11

42

51

5.5×9.5×5.5

M6×1

1.23×10^-3

BIF 2005-5

44

67

56

11

45

55

5.5×9.5×5.5

M6×1

1.23×10^-3

BIF 2006-3

48

71

56

11

45

59

5.5×9.5×5.5

M6×1

1.23×10^-3

BIF 2006-5

48

71

62

11

51

59

5.5×9.5×5.5

M6×1

1.23×10^-3

BIF 2505-3

50

73

52

11

41

61

5.5×9.5×5.5

M6×1

3.01×10^-3

BIF 2505-5

50

73

55

11

44

61

5.5×9.5×5.5

M6×1

3.01×10^-3

BIF 2508-5

58

85

82

15

67

71

6.6×11×6.5

M6×1

3.01×10^-3

BIF 2805-5

55

85

59

12

47

69

6.6×11×6.5

M6×1

4.74×10^-3

BIF 2805-10

55

85

89

12

77

69

6.6×11×6.5

M6×1

4.74×10^-3

BIF 2806-5

55

85

68

12

56

69

6.6×11×6.5

M6×1

4.74×10^-3

BIF 2806-10

55

85

104

12

92

69

6.6×11×6.5

M6×1

4.74×10^-3

 BIF 2810-3

65

106

88

18

70

85

11×17.5×11

M6×1

4.74×10^-3

Model No.

Screw
shaft
OD
d

Lead
l

Ball center-
to-center
diameter
dp

Thread
minor
diameter
d3

No. of
loaded
circuits/
Rows×turns

Basic load rating

Note)1
Rigidity
K
N/μm

Ca
kN

C0a
kN

BIF 3204-10

32

4

32.5

30.1

2×2.5

10.5

35.4

1010

BIF 3205-5

5

32.75

29.2

1×2.5

10.2

28.1

570

BIF 3205-10

32.75

29.2

2×2.5

18.5

56.4

1110

BIF 3206-5

6

33.0

28.4

1×2.5

13.9

35.2

600

BIF 3206-7

33.0

28.4

1×3.5

18.5

49.2

810

BIF 3206-10

33.0

28.4

2×2.5

25.2

70.4

1150

BIF 3208 A-5

8

33.25

27.5

1×2.5

17.8

42.2

610

BIF 3208 A-7

33.25

27.5

1×3.5

23.8

59.1

840

BIF 3210 A-5

10

33.75

26.4

1×2.5

26.1

56.2

640

BIF 3610-5

36

10

37.75

30.5

1×2.5

27.6

63.3

700

BIF 3610-10

37.75

30.5

2×2.5

50.1

126.4

1350

BIF 4010-5

40

10

41.75

34.4

1×2.5

29.0

70.4

750

BIF 4010-10

41.75

34.4

2×2.5

52.7

141.1

1470

BIF 4012-5

12

42.0

34.1

1×2.5

33.9

79.2

770

BIF 4012-10

42.0

34.1

2×2.5

61.6

158.8

1490

BIF 5010-5

50

10

51.75

44.4

1×2.5

32.0

88.2

900

BIF 5010-10

51.75

44.4

2×2.5

58.2

176.4

1750

Model No.

Nut dimensions

Screw-shaft inertial
moment per mm
kg‧cm²/mm

OD
D

Flange
diameter
D1

Overall
length
L

H

B1

PCD

d1×d2×h

Oiling port
A

BIF 3204-10

54

81

76

11

65

67

6.6×11×6.5

M6×1

8.08×10^-3

BIF 3205-5

58

85

56

12

44

71

6.6×11×6.5

M6×1

8.08×10^-3

BIF 3205-10

58

85

86

12

74

71

6.6×11×6.5

M6×1

8.08×10^-3

BIF 3206-5

62

89

63

12

51

75

6.6×11×6.5

M6×1

8.08×10^-3

BIF 3206-7

62

89

75

12

63

75

6.6×11×6.5

M6×1

8.08×10^-3

BIF 3206-10

62

89

99

12

87

75

6.6×11×6.5

M6×1

8.08×10^-3

BIF 3208 A-5

66

100

82

15

67

82

9×14×8.5

M6×1

8.08×10^-3

BIF 3208 A-7

66

100

98

15

83

82

9×14×8.5

M6×1

8.08×10^-3

BIF 3210 A-5

74

108

100

15

85

90

9×14×8.5

M6×1

8.08×10^-3

BIF 3610-5

75

120

111

18

93

98

11×17.5×11

M6×1

1.29×10^-2

BIF 3610-10

75

120

171

18

153

98

11×17.5×11

M6×1

1.29×10^-2

BIF 4010-5

82

124

103

18

85

102

11×17.5×11

M6×1

1.97×10^-2

BIF 4010-10

82

124

163

18

145

102

11×17.5×11

M6×1

1.97×10^-2

BIF 4012-5

84

126

119

18

101

104

11×17.5×11

M6×1

1.97×10^-2

BIF 4012-10

84

126

191

18

173

104

11×17.5×11

M6×1

1.97×10^-2

BIF 5010-5

93

135

103

18

85

113

11×17.5×11

PT1/8

4.82×10^-2

BIF 5010-10

93

135

163

18

145

113

11×17.5×11

PT1/8

4.82×10^-2