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Four Point Contact Ball Bearings (metric)

Q418MPB

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Details

Main dimensions
d [mm]	90
D [mm]	225
B [mm]	54
d₁ [mm]	≈ 137.4
D₁ [mm]	≈ 177.6
r_1,2 [mm]	4
α₀ [°]	23
a [mm]	≈ 67
Weight [kg]	≈ 12.8

Mating dimensions
d_{a, min} [mm]	110
D_{a, max} [mm]	205
r_{a, max} [mm]	3

Calculation data
C [kN]	378
C₀ [kN]	409
C_u [kN]	15.9
n_th [min^-1]	2825
n_g [min^-1]	5500