Cylindrical Roller Bearings (double row, with cage)

NNU4056S.M

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Details

Main dimensions
d [mm] 280
D [mm] 420
B [mm] 140
F [mm] 315
D1 [mm] ≈  372.6
ds [mm] 8
ns [mm] 15
r1,2 [mm] 4
s [mm] 5.5
Weight [kg] ≈ 68.8
Mating dimensions
da, min [mm] 295
da, max [mm] 313
db, min [mm] 318
Da, max [mm] 405
ra, max [mm] 3
Calculation data
C [kN] 1650
C0 [kN] 3250
Cu [kN] 310
nG,Fett [min-1] 1800
nG,Öl-Luft [min-1] 2100