Cylindrical Roller Bearings (double row, with cage)

NNU4122S.M

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Details

Main dimensions
d [mm] 110
D [mm] 180
B [mm] 69
F [mm] 129
D1 [mm] ≈  157.8
ds [mm] 3.2
ns [mm] 6.5
r1,2 [mm] 2
s [mm] 1.7
Weight [kg] ≈ 7
Mating dimensions
da, min [mm] 121
da, max [mm] 127
db, min [mm] 131
Da, max [mm] 169
ra, max [mm] 2
Calculation data
C [kN] 405
C0 [kN] 660
Cu [kN] 80.6
nG,Fett [min-1] 4500
nG,Öl-Luft [min-1] 5300