Four Point Contact Ball Bearings (metric)

Q421MPB

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Details

Main dimensions
d [mm] 105
D [mm] 260
B [mm] 60
d1 [mm] ≈  159.3
D1 [mm] ≈  205.7
r1,2 [mm] 4
α0 [°] 23
a [mm] ≈  77
Weight [kg] ≈ 19
Mating dimensions
da, min [mm] 125
Da, max [mm] 240
ra, max [mm] 3
Calculation data
C [kN] 463
C0 [kN] 545
Cu [kN] 19.8
nth [min-1] 2317
ng [min-1] 4700