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Four Point Contact Ball Bearings (metric)

Q268MPB

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Details

Main dimensions
d [mm]	340
D [mm]	620
B [mm]	92
d₁ [mm]	≈ 449.1
D₁ [mm]	≈ 510.9
r_1,2 [mm]	6
α₀ [°]	23
a [mm]	≈ 204
Weight [kg]	≈ 139

Mating dimensions
d_{a, min} [mm]	366
D_{a, max} [mm]	594
r_{a, max} [mm]	5

Calculation data
C [kN]	1040
C₀ [kN]	2350
C_u [kN]	53.6
n_th [min^-1]	774
n_g [min^-1]	1700