圆柱滚子轴承（单列，带保持架）
NU2256E.M3
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详细信息
|
d
[mm]
|
280
|
|
D
[mm]
|
500
|
|
B
[mm]
|
130
|
|
F
[mm]
|
333
|
|
D1
[mm]
|
≈
429
|
|
r1,2
[mm]
|
5
|
|
r3,4
[mm]
|
5
|
|
s
[mm]
|
7.2
|
|
重量
[kg]
|
≈ 115
|
|
da, min
[mm]
|
300
|
|
da, max
[mm]
|
330
|
|
db, min
[mm]
|
336
|
|
Da, max
[mm]
|
480
|
|
ra, max
[mm]
|
4
|
|
rb, max
[mm]
|
4
|
|
C
[kN]
|
2320
|
|
C0
[kN]
|
3690
|
|
Cu
[kN]
|
339
|
|
nth
[min-1]
|
717
|
|
ng
[min-1]
|
1700
|
