SKF 7040 ACD/P4A 轴承

bearing internal diameter range

d [mm]

>180

bearing internal diameter

d [mm]

bearing external diameter

D [mm]

bearing width

B [mm]

d1

[mm]

233,9

D1

[mm]

276,1

r1, r2

[mm]

2,1

r3, r4

[mm]

1,1

contact angle

%26alpha; [°]

25

a

[mm]

85

da

[mm]

211

Db

[mm]

304

Da

[mm]

299

ra

[mm]

2

rb

[mm]

1

Seal

no

oil nozzle position

dn [mm]

243,2

Speed rating with grease

[1/min]

4 000

Speed rating with oil

[1/min]

6 000

dynamic load rating

C [N]

281000

static load rating

Co [N]

365000

fatigue load limit

Pu [N]

9 800

Light preload

Class A [N]

1 750

Medium preload

Class B [N]

3 500

Heavy preload

Class C [N]

7 000

mean diameter

P [mm]

255

ball diameter

dw [mm]

34,92

ball number

[Z ]

21

Bearing materials

All-steel

Mass

[kg]

12