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Four Point Contact Ball Bearings (metric)

QJ420MPA

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Details

Main dimensions
d [mm]	100
D [mm]	250
B [mm]	58
d₁ [mm]	≈ 153.3
D₁ [mm]	≈ 196.7
r_1,2 [mm]	4
α₀ [°]	35
a [mm]	≈ 123
Weight [kg]	≈ 17

Mating dimensions
d_{a, min} [mm]	120
D_{a, max} [mm]	230
r_{a, max} [mm]	3

Calculation data
C [kN]	390
C₀ [kN]	447
C_u [kN]	16.5
n_th [min^-1]	2537
n_g [min^-1]	4900