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Four Point Contact Ball Bearings (metric)

QJ1056MPA

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Details

Main dimensions
d [mm]	280
D [mm]	420
B [mm]	65
d₁ [mm]	≈ 329.1
D₁ [mm]	≈ 370.9
r_1,2 [mm]	4
α₀ [°]	35
a [mm]	≈ 245
Weight [kg]	≈ 34.4

Mating dimensions
d_{a, min} [mm]	294.6
D_{a, max} [mm]	405.4
r_{a, max} [mm]	3

Calculation data
C [kN]	565
C₀ [kN]	1080
C_u [kN]	28.7
n_th [min^-1]	1251
n_g [min^-1]	2400