SKF HRF 87x20 丝杠 SKF HRF 87x20 丝杠 销售和技术支持

SKF HRF 87x20 丝杠

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SKF 丝杠

Nut type

Nut with central flange

Nominal screw diameter

d0 [mm]

87

Lead

Ph [mm]

20

Dynamic Load

Ca [kN]

816

Static Load

Coa [kN]

2 645

Max length

[mm]

6 000

d2

[mm]

85,1

d1

[mm]

89,3

Screw mass

ms [kg/m]

45,8

Screw inertia

Is [kgmm2/m]

42 800

Nut mass

mn [kg]

31

Nut inertia

Inn [kgmm2]

149000

Q

[mm]

M8x1

D3

[mm]

103

D

[mm]

175

A

[mm]

245

A1

[mm]

35

A3

[mm]

40

B

[mm]

12

Grease quantity for nut

Zn [cm3]

270

D1

[mm]

220

A2

[mm]

40

u

[°]

15

Number of hole

[N ]

12

d

[mm]

13,5

J

[mm]

200

G

M12

Rollers inertia

Ins [kgmm2]

10 600

Note :
For SKF Ultra Power range a mean working load of up to 80% of Ca is allowed.