Ressource KRW Product

Four Point Contact Ball Bearings (metric)

QJ288MPA

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Details

Main dimensions
d [mm] 440
D [mm] 790
B [mm] 112
d1 [mm] ≈ 574.8
D1 [mm] ≈ 655.2
r1,2 [mm] 7.5
α0 [°] 35
a [mm] ≈ 431
Weight [kg] ≈ 274
Mating dimensions
da, min [mm] 472
Da, max [mm] 758
ra, max [mm] 6
Calculation data
C [kN] 1350
C0 [kN] 3600
Cu [kN] 72.8
nth [min-1] 554
ng [min-1] 1200