Connecting dimensions
da h12(mm)238.5Diameter of shaft shoulder
Da H12(mm)321.5Diameter of housing shoulder
ra max(mm)3Maximal rounding radius
rb max(mm)3Maximal rounding radius
Etk(mm)268.6Injection pitch circle
Performance data
Cr(kN)306Dynamic load rating, radial
C0r(kN)389Static load rating, radial
Cur(kN)12.1Fatigue limit load, radial
nG Grease(min-1)3000Limit speed, grease lubrication
nG Oil(min-1)4500Limit speed, oil lubrication
FV L(N)2900Preload force, slight
FV M(N)9725Preload force, medium
FV S(N)20160Preload force, heavy
ca L(N/µm)506Axial rigidity, slight
ca M(N/µm)795Axial rigidity, medium
ca S(N/µm)1060Axial rigidity, heavy
KaE L(N)8460Lift-off force, slight
KaE M(N)29100Lift-off force, medium
KaE S(N)62100Lift-off force, heavy