Angular Contact Ball Bearings (single row, metric)

7221B.MP

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Details

Main dimensions
d [mm] 105
D [mm] 190
B [mm] 36
d1 [mm] ≈  137.9
D1 [mm] ≈  159.7
r1,2 [mm] 2.1
r3,4 [mm] 1.1
α0 [°] 40
a [mm] ≈  80
Weight [kg] ≈ 4.38
Mating dimensions
da, min [mm] 117
Da, max [mm] 178
Db, max [mm] 183
ra, max [mm] 2.1
rb, max [mm] 1
Calculation data
C [kN] 144
C0 [kN] 129
Cu [kN] 5.41
nth [min-1] 4104
ng [min-1] 4600