en

Stock

Download

Product Database

Contact

Four Point Contact Ball Bearings (metric)

Q256MPB

Back to overview

Details

Main dimensions
d [mm]	280
D [mm]	500
B [mm]	80
d₁ [mm]	≈ 362.2
D₁ [mm]	≈ 417.8
r_1,2 [mm]	5
α₀ [°]	23
a [mm]	≈ 166
Weight [kg]	≈ 76.7

Mating dimensions
d_{a, min} [mm]	300
D_{a, max} [mm]	480
r_{a, max} [mm]	4

Calculation data
C [kN]	855
C₀ [kN]	1680
C_u [kN]	42.3
n_th [min^-1]	1022
n_g [min^-1]	2100