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E series
Rolled Ball Screws -High lead

Precision

Shaft hardness

Nuts

Material

Hardness

Material

Hardness

C5

S55C

Tempered Fire
(HRC60)

SCM420

Tempering
(HRC60)

C7

 

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 [Semi-finished&finished products]
 
 
  [Precision]  [Axial clearance] 
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How to order
 

Axial standard clearance

Unit:mm

 

Lead accuracy (JIS B 1192)

Unit:mm

Shaft
diameter

Axial clearance
(max)

 

Accuracy level

C5

C7

 

Cumulative lead time error

±0.05/300

±0.21/300

16~278

0.05

 

Tolerance of the accumulated lead error (±Ec) and variation (e) of the base lead for an arbitrary 300mm effective thread

30~32

0.10

 

36~45

0.05

    

50

0.10

    

 

Big Navigation

             

  

          

Unit:mm

No.

d
Shaft diameter

Guide

L
Designation1mm

A

B

C

D

G

S

P.C.D

X

Oil Hole

Basic load (kgf)

Ca(Move)

Coa(Quiet)

R1616-3.6

16

16

160 ~ 1200

53

10

48

32

10.5

38

42

4.5

3.175

1512

1995

R2020-3.6

20

20

200 ~ 1500

62

55

39

10.8

46

50

5.5

1659

2464

R2520-3.6

25

20

250 ~ 1500

74

12

65

47

11

49

60

6.6

3.5

2106

3422

R2525-3.6

25

67

11.2

56

3.969

2481

3851

R3232-3.6

32

32

300 ~ 2000

92

15

82

58

14

68

74

9

4.762

3585

6071

R4040-3.6

40

40

400 ~ 2000

114

17

100

73

17

84

93

11

6.35

5778

11753

R5050-3.6

50

50

500 ~ 3000

135

20

125

90

21.5

92

112

14

7.938

8819

19241

               

Extra-large guide range

             

  

          

Unit:mm

No.

d
Shaft diameter

Guide

L
Designation1mm

A

B

C

D

G

S

P.C.D

X

Oil Hole

Basic load (kgf)

Ca(Move)

Coa(Quiet)

R1632-1.6

16

32

120 ~ 1200

53

10

43

32

10.1

34

42

4.5

2.778

734

988

R2040-1.6

20

40

200 ~ 1500

62

48

39

13

41

50

5.5

3.175

970

1408

R2550-1.6

25

50

250 ~ 1500

74

12

58

47

15

49

60

6.6

3.969

1450

2200