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Four Point Contact Ball Bearings (metric)

QJ380MPA

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Details

Main dimensions
d [mm]	400
D [mm]	820
B [mm]	136
d₁ [mm]	≈ 557.4
D₁ [mm]	≈ 662.6
r_1,2 [mm]	7.5
α₀ [°]	35
a [mm]	≈ 427
Weight [kg]	≈ 398

Mating dimensions
d_{a, min} [mm]	432
D_{a, max} [mm]	788
r_{a, max} [mm]	6

Calculation data
C [kN]	1720
C₀ [kN]	4380
C_u [kN]	89
n_th [min^-1]	500
n_g [min^-1]	1300