Ressource KRW Product

Cylindrical Roller Bearings (double row, with cage)

NNU4052S.M

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Details

Maindimensions
d [mm] 260
D [mm] 400
B [mm] 140
F [mm] 295
D1 [mm] ≈ 352.6
ds [mm] 8
ns [mm] 15
r1,2 [mm] 4
s [mm] 5.5
Weight [kg] ≈ 65.5
Connection dimensions
da, min [mm] 275
da, max [mm] 293
db, min [mm] 298
Da, max [mm] 385
ra, max [mm] 3
Calculation data
C [kN] 1660
C0 [kN] 3230
Cu [kN] 313
nG,Fett [min-1] 1900
nG,Öl-Luft [min-1] 2200