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Four Point Contact Ball Bearings (metric)

Q318MPB

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Details

Main dimensions
d [mm]	90
D [mm]	190
B [mm]	43
d₁ [mm]	≈ 124.5
D₁ [mm]	≈ 155.5
r_1,2 [mm]	3
α₀ [°]	23
a [mm]	≈ 59
Weight [kg]	≈ 6.64

Mating dimensions
d_{a, min} [mm]	104
D_{a, max} [mm]	176
r_{a, max} [mm]	2.5

Calculation data
C [kN]	299
C₀ [kN]	307
C_u [kN]	12.7
n_th [min^-1]	3301
n_g [min^-1]	6200