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Four Point Contact Ball Bearings (metric)

QJ384MPA

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Details

Main dimensions
d [mm]	420
D [mm]	850
B [mm]	136
d₁ [mm]	≈ 582.4
D₁ [mm]	≈ 687.6
r_1,2 [mm]	9.5
α₀ [°]	35
a [mm]	≈ 445
Weight [kg]	≈ 424

Mating dimensions
d_{a, min} [mm]	460
D_{a, max} [mm]	810
r_{a, max} [mm]	8

Calculation data
C [kN]	1710
C₀ [kN]	4410
C_u [kN]	88
n_th [min^-1]	482
n_g [min^-1]	1200