四点接触球轴承（公制）
QJ1044MPA
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详细信息
|
d
[mm]
|
220
|
|
D
[mm]
|
340
|
|
B
[mm]
|
56
|
|
d1
[mm]
|
≈
261.4
|
|
D1
[mm]
|
≈
298.6
|
|
r1,2
[mm]
|
3
|
|
α0
[°]
|
35
|
|
a
[mm]
|
≈
196
|
|
重量
[kg]
|
≈ 20.4
|
|
da, min
[mm]
|
232.4
|
|
Da, max
[mm]
|
327.6
|
|
ra, max
[mm]
|
2.5
|
|
C
[kN]
|
459
|
|
C0
[kN]
|
765
|
|
Cu
[kN]
|
22.6
|
|
nth
[min-1]
|
1664
|
|
ng
[min-1]
|
3000
|
