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Four Point Contact Ball Bearings (metric)

Q321MPB

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Details

Main dimensions
d [mm]	105
D [mm]	225
B [mm]	49
d₁ [mm]	≈ 146.4
D₁ [mm]	≈ 183.6
r_1,2 [mm]	3
α₀ [°]	23
a [mm]	≈ 70
Weight [kg]	≈ 10.8

Mating dimensions
d_{a, min} [mm]	119
D_{a, max} [mm]	211
r_{a, max} [mm]	2.5

Calculation data
C [kN]	364
C₀ [kN]	403
C_u [kN]	15.3
n_th [min^-1]	2898
n_g [min^-1]	5200