SKF 71940 ACD/P4A 轴承 SKF 71940 ACD/P4A 轴承 销售和技术支持

SKF 71940 ACD/P4A 轴承

上海斯将利传动机械有限公司是一家致力于高品质动力配件的公司。专业经营进口轴承,滚珠丝杠副,螺杆,导轨,工作台,精密主轴,滑块等传动部件,兼营动力配件。SKF 71940 ACD/P4A 轴承 ,品牌众多,其中常用的滚珠丝杠副的品牌有NTN THK ISSOKU KOYO KSS KURODA PGM REXROTH SHUTON SKF STAR THOMSON TSUBAKI 等。备有大量库存型号品种齐全,提供各种技术支持和产品替换服务,欢迎垂询。,提供SKF 71940 ACD/P4A 轴承 维修定做服务,同时提供和进口其它品牌替换服务-NSK THK ISSOKU KOYO KSS KURODA PGM REXROTH SHUTON STAR THOMSON TSUBAKI 等

SKF 精密主轴轴承 机床主轴轴承

Boundary dimensions

bearing internal diameter range

d [mm]

>180

bearing internal diameter

d [mm]

200

0

-0,012

bearing external diameter

D [mm]

280

0

-0,013

bearing width

B [mm]

38

0

-0,3

d1

[mm]

224

D1

[mm]

256

Abutment and fillet dimensions

r1, r2

[mm]

2,1

r3, r4

[mm]

1

contact angle

%26alpha; [°]

25

a

[mm]

75

da

[mm]

211

Other bearing features

Db

[mm]

275

Da

[mm]

269

ra

[mm]

2

rb

[mm]

1

Seal

no

oil nozzle position

dn [mm]

231,4

Speed rating with grease

[1/min]

4 300

Speed rating with oil

[1/min]

6 300

dynamic load rating

C [N]

199000

static load rating

Co [N]

250000

fatigue load limit

Pu [N]

6 800

Light preload

Class A [N]

1 250

Medium preload

Class B [N]

2 500

Heavy preload

Class C [N]

5 000

mean diameter

P [mm]

240

ball diameter

dw [mm]

25,4

ball number

[Z ]

26

Bearing materials

All-steel

Mass

[kg]

6,04