四点接触球轴承（公制）
QJ1230MPA
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详细信息
|
d
[mm]
|
150
|
|
D
[mm]
|
270
|
|
B
[mm]
|
54
|
|
d1
[mm]
|
≈
194.4
|
|
D1
[mm]
|
≈
225.6
|
|
r1,2
[mm]
|
3
|
|
α0
[°]
|
45
|
|
a
[mm]
|
≈
210
|
|
重量
[kg]
|
≈ 15.2
|
|
da, min
[mm]
|
164
|
|
Da, max
[mm]
|
256
|
|
ra, max
[mm]
|
2.5
|
|
C
[kN]
|
353
|
|
C0
[kN]
|
482
|
|
Cu
[kN]
|
16.4
|
|
nth
[min-1]
|
2602
|
|
ng
[min-1]
|
4100
|
