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Four Point Contact Ball Bearings (metric)

QJ1224MPA

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Details

Main dimensions
d [mm]	120
D [mm]	215
B [mm]	42
d₁ [mm]	≈ 155.2
D₁ [mm]	≈ 179.8
r_1,2 [mm]	2.1
α₀ [°]	45
a [mm]	≈ 168
Weight [kg]	≈ 7.46

Mating dimensions
d_{a, min} [mm]	132
D_{a, max} [mm]	203
r_{a, max} [mm]	2.1

Calculation data
C [kN]	254
C₀ [kN]	303
C_u [kN]	11.5
n_th [min^-1]	3321
n_g [min^-1]	5200