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Four Point Contact Ball Bearings (metric)

QJ1238MPA

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Details

Main dimensions
d [mm]	190
D [mm]	340
B [mm]	65
d₁ [mm]	≈ 246.8
D₁ [mm]	≈ 283.2
r_1,2 [mm]	4
α₀ [°]	45
a [mm]	≈ 265
Weight [kg]	≈ 28.8

Mating dimensions
d_{a, min} [mm]	207
D_{a, max} [mm]	323
r_{a, max} [mm]	3

Calculation data
C [kN]	449
C₀ [kN]	710
C_u [kN]	21.6
n_th [min^-1]	1949
n_g [min^-1]	3200