Angular Contact Ball Bearings (single row, metric)

71988MP

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Details

Main dimensions
d [mm] 440
D [mm] 600
B [mm] 74
d1 [mm] ≈  493.9
D1 [mm] ≈  550.5
r1,2 [mm] 4
r3,4 [mm] 1.5
α0 [°] 30
a [mm] ≈  187
Weight [kg] ≈ 56.9
Mating dimensions
da, min [mm] 454.6
Da, max [mm] 585.4
Db, max [mm] 593
ra, max [mm] 3
rb, max [mm] 1.5
Calculation data
C [kN] 515
C0 [kN] 1030
Cu [kN] 22.3
nth [min-1] 890
ng [min-1] 1200