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Four Point Contact Ball Bearings (metric)

Q244MPB

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Details

Main dimensions
d [mm]	220
D [mm]	400
B [mm]	65
d₁ [mm]	≈ 286.8
D₁ [mm]	≈ 333.2
r_1,2 [mm]	4
α₀ [°]	23
a [mm]	≈ 132
Weight [kg]	≈ 40.6

Mating dimensions
d_{a, min} [mm]	237
D_{a, max} [mm]	383
r_{a, max} [mm]	3

Calculation data
C [kN]	645
C₀ [kN]	1090
C_u [kN]	30.7
n_th [min^-1]	1391
n_g [min^-1]	2700