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Four Point Contact Ball Bearings (metric)

QJ238MPA

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Details

Main dimensions
d [mm]	190
D [mm]	340
B [mm]	55
d₁ [mm]	≈ 244.9
D₁ [mm]	≈ 285.1
r_1,2 [mm]	4
α₀ [°]	35
a [mm]	≈ 186
Weight [kg]	≈ 24.5

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

Calculation data
C [kN]	474
C₀ [kN]	745
C_u [kN]	22.6
n_th [min^-1]	1756
n_g [min^-1]	3200