SKF PRK 39x10 - service 丝杠

Range

Service range (Quick delivery)

Recirculation type

Planetary roller screw

Nut type

Flanged nut

Nominal screw diameter

d0 [mm]

39

Lead

Ph [mm]

10

Preload

Optimum rigidity

Number of thread

[N ]

5

Helix angle

? [°]

4,67

Dynamic load category

[kN]

50-70

Standard number of rollers

[Nr ]

9

Max. number of rollers

[Nmax ]

11

Dynamic Load

Ca [kN]

84

Static Load

Coa [kN]

135,4

Minimum nut rigidity

Rng [N/μm]

500

Reference nut rigidity

Rnr [N/μm]

650

Preload torque

Tpr [Nm]

0,88-1,75

Preload force

Fpr [N]

1 965

Nut mass

mn [kg]

4

Screw mass

ms [kg/m]

9,4

Screw inertia

Is [kgmm2/m]

1 780

Nut inertia

Inn [kgmm2]

8 360

Rollers inertia

Ins [kgmm2]

124,4

Grease quantity for nut

Zn [cm3]

27,9

d1

[mm]

39,8

d2

[mm]

37,7

D

[mm]

82

A

[mm]

100

A1

[mm]

33,5

A2

[mm]

33

D1

[mm]

124

J

[mm]

102

G

[mm]

M10

r

[mm]

1,2

Q

[mm]

M6

u

[°]

30

B

[mm]

8

D2

[mm]

73

D3

[mm]

50