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C series
Rolled Ball Screws -Silent type

Precision

Shaft hardness

Nuts

Material

Hardness

Material

Hardness

C5

S55C

Tempered Fire
(HRC60)

SCM420

Tempering
(HRC60)

C7

 

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  [Precision]  [Axial clearance] 
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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

15~28

0.10

 

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

30~32

0.14

 

36~45

0.17

    

50

0.20

    

 

  

          

Unit:mm

No.

d
Shaft diameter

Guide

L
Designation1mm

A

B

C

D

S

P.C.D

X

Ball
Diameter

Oil Hole

Basic load (kgf)

Ca(Move)

Coa(Quiet)

R1505-3.8

15

5

150 ~ 1000

48

10

36

28

40

38

5.5

2.778

M6

1167

1536

R1510-2.8

10

46

898

1132

R1516-1.8

16

45

629

768

R1520-1.8

20

54

R1610-3

16

10

160 ~ 1200

12

43

3.175

1180

1496

R1616-3

16

61

R2020-4

20

20

200 ~ 1500

58

10

55

36

44

47

6.6

1659

2464

R2510-4

25

10

250 ~ 1500

62

12

64

40

48

51

3.5

2067

3280

R2525-4

25

74

67

47

56

60

3.969

2481

3851

R3220-3

32

20

300 ~ 2000

80

13

78

50

62

65

9

2141

3576

R3232-4

32

86

16

82

56

65

71

4.762

3585

6071

R4020-3

40

20

400 ~ 2000

93

15

83

63

70

78

5.556

M8

3782

6468

R4040-4

40

95

18

100

65

72

80

6.35

5778

11753

R5020-5

50

20

500 ~ 3000

110

121

75

85

93

11

7737

18189