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D 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

12

0.05

 

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

15~20

0.10

 

 

  

           

Unit:mm

Nuts No.
Standard

d
Shaft diameter

Guide

L
Designation1mm

A

B

C
Standard

D

S

P.C.D

X

Y

Z

Ball
Diameter

Basic load (kgf)

Ca(Move)

Coa(Quiet)

R1210-1

12

10

100 ~ 800

50

10

40

30

32

40

4.5

8

4.5

2

390

466

R1520-2

15

20

150 ~ 1000

55

12

57

34

34

45

6

3.175

833

997

R2010-3

20

10

200 ~ 1500

74

13

54

46

46

59

6.6

11

5.5

3.969

1765

2338