Four Point Contact Ball Bearings (metric)

Q384MPB

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Details

Main dimensions
d [mm] 420
D [mm] 850
B [mm] 136
d1 [mm] ≈  582.4
D1 [mm] ≈  687.6
r1,2 [mm] 9.5
α0 [°] 23
a [mm] ≈  270
Weight [kg] ≈ 424
Mating dimensions
da, min [mm] 460
Da, max [mm] 810
ra, max [mm] 8
Calculation data
C [kN] 1890
C0 [kN] 4830
Cu [kN] 96.3
nth [min-1] 457
ng [min-1] 1200