Angular Contact Ball Bearings (single row, metric)

71888MP

Back to overview

Details

Main dimensions
d [mm] 440
D [mm] 540
B [mm] 46
d1 [mm] ≈  474.5
D1 [mm] ≈  508.1
r1,2 [mm] 2.1
r3,4 [mm] 1.1
α0 [°] 30
a [mm] ≈  164
Weight [kg] ≈ 20.9
Mating dimensions
da, min [mm] 450.2
Da, max [mm] 529.8
Db, max [mm] 534
ra, max [mm] 2.1
rb, max [mm] 1
Calculation data
C [kN] 292
C0 [kN] 550
Cu [kN] 12.2
nth [min-1] 901
ng [min-1] 1300