SKF 71921 CD/P4A 轴承

专业经营SKF 71921 CD/P4A 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。备有大量库存型号品种齐全,为满足客户维修需求,可以提供Rexroth [标签:简略标题]与各种技术支持和产品替换服务-NSK THK ISSOKU KOYO KSS KURODA PGM REXROTH SHUTON STAR THOMSON TSUBAKI 等,欢迎垂询。SKF 71921 CD/P4A 轴承 ,相关产品为:SKF 7011 CD/HCP4A 轴承  SKF S71924 ACD/HCP4A 轴承  SKF BTM 120 B/P4CDB 轴承  SKF 7016 ACD/HCP4A 轴承  SKF 71916 ACE/P4A 轴承  SKF C71909 DB/P7 轴承  SKF BTM 70 A/P4CDB 轴承  SKF 71914 DB/P7 轴承  摘要: Boundary dimensions bearing internal diameter range d [mm] 80-119 bearing internal diameter d [mm] 105 0-0,008 bearing external diameter D [mm] 145 0-0,009 bearing width B [mm] 20 0-0,2 d1 [mm] 117 D1 [mm] 133 Abutment and fillet dimensions r1, r2 [mm] 1,1 r3, r4 [mm] 0,6 contact angle %26alpha; [°] 15 a [mm] 27 da [mm] 111 Other bearing features Db [mm] 141 Da [mm] 139 ra [mm] 1 rb [mm] 0,6 Seal no oil nozzle position dn [mm] 120,6 Speed rating with grease [1/min] 8 500 Speed rating with oil [1/min] 14 000 dynamic load rating C [N] 61 800 static load rating Co [N] 69 500 fatigue load limit Pu [N] 2 600 calculation factor [fo ] 16 Light preload Class A [N] 230 Medium preload Class B [N] 460 Heavy preload Class C [N] 920 mean diameter P [mm] 125 ball diameter dw [mm] 12,7 ball number [Z ] 27 Bearing materials All-steel Mass [kg] 0,84

Rexroth SKF 71921 CD/P4A 轴承

SKF 精密主轴轴承 机床主轴轴承

Boundary dimensions

bearing internal diameter range

d [mm]

80-119

bearing internal diameter

d [mm]

105

0

-0,008

bearing external diameter

D [mm]

145

0

-0,009

bearing width

B [mm]

20

0

-0,2

d1

[mm]

117

D1

[mm]

133

Abutment and fillet dimensions

r1, r2

[mm]

1,1

r3, r4

[mm]

0,6

contact angle

%26alpha; [°]

15

a

[mm]

27

da

[mm]

111

Other bearing features

Db

[mm]

141

Da

[mm]

139

ra

[mm]

1

rb

[mm]

0,6

Seal

no

oil nozzle position

dn [mm]

120,6

Speed rating with grease

[1/min]

8 500

Speed rating with oil

[1/min]

14 000

dynamic load rating

C [N]

61 800

static load rating

Co [N]

69 500

fatigue load limit

Pu [N]

2 600

calculation factor

[fo ]

16

Light preload

Class A [N]

230

Medium preload

Class B [N]

460

Heavy preload

Class C [N]

920

mean diameter

P [mm]

125

ball diameter

dw [mm]

12,7

ball number

[Z ]

27

Bearing materials

All-steel

Mass

[kg]

0,84

在线订单和技术咨询