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W series
Rolled Ball Screws-Straight nut type with thread

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 Clearance of Ball Screws in Transformation Grade

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

8~12

0.05

 

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

14~28

0.10

 

30~32

0.14

    

36~45

0.17

    

50

0.20

    

 

  

        

Unit:mm

No.

d
Shaft diameter

Guide

L
Designation1mm

M

B

C

D

Ball
Diameter

Q

Oil Hole

Basic load (kgf)

Ca(Move)

Coa(Quiet)

R0825-3

8

2.5

100 ~ 400

M15 x1.0

8

26

17.5

1.2

215

239

R1003-3

10

3

100 ~ 600

M18 x1.0

9

29

21

1.8

403

424

R1204-3

12

4

100 ~ 800

M20 x1.0

10

34

25.5

2.381

645

693

R1205-3

5

39

2

514

594

R1604-3

16

4

120 ~ 1200

M22 x1.5

8

32

29

2.381

737

940

R1605-3

5

M26 x1.5

12

42

32.5

3.175

1049

1144

R1605-4

M30 x1.5

16

56

32

6.5

M6

1344

1525

R2005-4

20

200 ~ 1500

M35 x1.5

16.5

59.5

38

7

1512

1995

R2505-4

25

250 ~ 1500

M40 x1.5

17

60

42

1704

2581

R2510-4

10

90

4.762

10

2881

3695

R3205-4

32

5

400 ~ 2000

M48 x1.5

19

60

52

3.175

7

1924

3403

R3210-4

10

93

6.35

12

4834

7835

R4005-4

40

5

300 ~ 2000

M56 x1.5

59

58

3.175

6

M8

2142

4342

R4010-4

10

M60 x1.5

27

102

65

6.35

12

5399

10074

R5010-4

50

500 ~ 3000

M72 x1.5

29

104

78

5933

12313