圆柱滚子轴承（单列，带保持架）
NU3144M3
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详细信息
|
d
[mm]
|
220
|
|
D
[mm]
|
370
|
|
B
[mm]
|
120
|
|
F
[mm]
|
256
|
|
D1
[mm]
|
≈
323.2
|
|
r1,2
[mm]
|
4
|
|
r3,4
[mm]
|
4
|
|
s
[mm]
|
11.5
|
|
重量
[kg]
|
≈ 53
|
|
da, min
[mm]
|
237
|
|
da, max
[mm]
|
253
|
|
db, min
[mm]
|
259
|
|
Da, max
[mm]
|
353
|
|
ra, max
[mm]
|
3
|
|
rb, max
[mm]
|
3
|
|
C
[kN]
|
1500
|
|
C0
[kN]
|
2470
|
|
Cu
[kN]
|
245
|
|
nth
[min-1]
|
1187
|
|
ng
[min-1]
|
2300
|
