圆柱滚子轴承（单列，带保持架）
N2248E.M3
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详细信息
|
d
[mm]
|
240
|
|
D
[mm]
|
440
|
|
B
[mm]
|
120
|
|
E
[mm]
|
397
|
|
d1
[mm]
|
≈
310.6
|
|
r1,2
[mm]
|
4
|
|
r3,4
[mm]
|
4
|
|
s
[mm]
|
6
|
|
重量
[kg]
|
≈ 84
|
|
da, min
[mm]
|
257
|
|
Db, min
[mm]
|
400
|
|
Dc, max
[mm]
|
394
|
|
ra, max
[mm]
|
3
|
|
rb, max
[mm]
|
3
|
|
C
[kN]
|
1920
|
|
C0
[kN]
|
2970
|
|
Cu
[kN]
|
284
|
|
nth
[min-1]
|
872
|
|
ng
[min-1]
|
2000
|
