四点接触球轴承(公制)
QJ1992MPA
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详细信息
d
[mm]
|
460
|
D
[mm]
|
620
|
B
[mm]
|
74
|
d1
[mm]
|
≈
515.3
|
D1
[mm]
|
≈
564.8
|
r1,2
[mm]
|
4
|
α0
[°]
|
35
|
a
[mm]
|
≈
378
|
重量
[kg]
|
≈ 69.4
|
da, min
[mm]
|
474.6
|
Da, max
[mm]
|
605.4
|
ra, max
[mm]
|
3
|
C
[kN]
|
800
|
C0
[kN]
|
2000
|
Cu
[kN]
|
43
|
nth
[min-1]
|
679
|
ng
[min-1]
|
1400
|