Angular Contact Ball Bearings (single row, metric)

71921MP

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Details

Main dimensions
d [mm] 105
D [mm] 145
B [mm] 20
d1 [mm] ≈  118.5
D1 [mm] ≈  132.6
r1,2 [mm] 1.1
r3,4 [mm] 0.6
α0 [°] 30
a [mm] ≈  46
Weight [kg] ≈ 0.903
Mating dimensions
da, min [mm] 111
Da, max [mm] 139
Db, max [mm] 141.8
ra, max [mm] 1
rb, max [mm] 0.6
Calculation data
C [kN] 55
C0 [kN] 62.1
Cu [kN] 2.85
nth [min-1] 3714
ng [min-1] 5400