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Four Point Contact Ball Bearings (metric)

Q328MPB

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Details

Main dimensions
d [mm]	140
D [mm]	300
B [mm]	62
d₁ [mm]	≈ 196.8
D₁ [mm]	≈ 243.2
r_1,2 [mm]	4
α₀ [°]	23
a [mm]	≈ 93
Weight [kg]	≈ 24.4

Mating dimensions
d_{a, min} [mm]	157
D_{a, max} [mm]	283
r_{a, max} [mm]	3

Calculation data
C [kN]	530
C₀ [kN]	705
C_u [kN]	23.3
n_th [min^-1]	1983
n_g [min^-1]	3900