SKF SRC 8x4 丝杠

Range

Standard range

Recirculation type

Planetary roller screw

Nut type

Cylindrical nut

Nominal screw diameter

d0 [mm]

8

Lead

Ph [mm]

4

Preload

Axial play

Number of thread

[N ]

4

Helix angle

? [°]

9,04

Dynamic load category

[kN]

<30

Standard number of rollers

[Nr ]

7

Max. number of rollers

[Nmax ]

8

Dynamic Load

Ca [kN]

11,24

Static Load

Coa [kN]

19,59

Max. axial play

[mm]

0,02

Nut mass

mn [kg]

0,1

Screw mass

ms [kg/m]

0,4

Screw inertia

Is [kgmm2/m]

3,2

Nut inertia

Inn [kgmm2]

11,4

Rollers inertia

Ins [kgmm2]

0,1

Grease quantity for nut

Zn [cm3]

0,91

d1

[mm]

8,4

d2

[mm]

7,3

D

[mm]

25

A

[mm]

44

w

[mm]

0,5

a

[mm]

4

b

[mm]

12

H

[mm]

26,5

Q

[mm]

5

B

[mm]

3

D2

[mm]

21

D3

[mm]

13

Option :
Backlash elimination with oversize rollers