角接触球轴承（单列，公制）
708/630MP
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详细信息
|
d
[mm]
|
630
|
|
D
[mm]
|
780
|
|
B
[mm]
|
48
|
|
d1
[mm]
|
≈
687.9
|
|
D1
[mm]
|
≈
725
|
|
r1,2
[mm]
|
3
|
|
r3,4
[mm]
|
1.1
|
|
α0
[°]
|
30
|
|
a
[mm]
|
≈
228
|
|
重量
[kg]
|
≈ 51.7
|
|
da, min
[mm]
|
642.4
|
|
Da, max
[mm]
|
767.6
|
|
Db, max
[mm]
|
774
|
|
ra, max
[mm]
|
2.5
|
|
rb, max
[mm]
|
1
|
|
C
[kN]
|
368
|
|
C0
[kN]
|
855
|
|
Cu
[kN]
|
15.8
|
|
nth
[min-1]
|
544
|
|
ng
[min-1]
|
790
|
