Tapered Roller Bearings (single row, metric)

30256

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Details

Main dimensions
d [mm] 280
D [mm] 500
T [mm] 89
C [mm] 67
B [mm] 80
d1 [mm] ≈  375.3
r1,2 [mm] 6
r3,4 [mm] 5
a [mm] ≈  94.8
Weight [kg] ≈ 65.5
Mating dimensions
da, max [mm] 330
db, min [mm] 300
Da, min [mm] 433
Da, max [mm] 477
Db, min [mm] 465
Ca, min [mm] 12
Cb, min [mm] 22
ra, max [mm] 6
rb, max [mm] 5
Calculation data
C [kN] 1480
C0 [kN] 2210
Cu [kN] 186
nth [min-1] 801
ng [min-1] 1300
e 0.44
Y 1.38
Y0 0.76