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B series
Rolled Ball Screws -Inner loop

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

14~28

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

    

36~40

0.17

    

 

 

  

         

單位:mm

No.

d
Shaft diameter

Guide

L
Designation1mm

A

B

C

D

S

P.C.D

X

Ball
Diameter

Basic load (kgf)

Ca(Move)

Coa(Quiet)

R1404-3

14

4

120 ~ 1000

50

10

40

31

37

40

4.5

2.381

684

792

R1405-3

5

45

32

38

3.175

1013

1056

R1605-3

16

5

160 ~ 1200

54

42

34

40

44

1049

1144

R2005-3

20

5

200 ~ 1500

60

47

40

46

50

1181

1496

R2505-3

25

5

250 ~ 1500

67

43

50

55

5.5

1330

1936

R2510-3

10

96

15

75

60

72

78

9

4.762

2250

2772

R2510-4

97

2881

3695

R3210-3

32

10

300 ~ 2000

103

78

67

78

85

6.35

3775

5877

R3210-4

97

4834

7835

R4010-4

40

10

400 ~ 2000

116

17

100

76

88

96

11

5399

10074