Connecting dimensions
da h12(mm)20Diameter of shaft shoulder
Da H12(mm)27.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Etk(mm)22.2Injection pitch circle
Performance data
Cr(kN)5Dynamic load rating, radial
C0r(kN)2.8Static load rating, radial
Cur(kN)0.148Fatigue limit load, radial
nG Grease(min-1)45000Limit speed, grease lubrication
nG Oil(min-1)70000Limit speed, oil lubrication
FV L(N)23Preload force, slight
FV M(N)116Preload force, medium
FV S(N)268Preload force, heavy
ca L(N/µm)37.8Axial rigidity, slight
ca M(N/µm)68.9Axial rigidity, medium
ca S(N/µm)96.7Axial rigidity, heavy
KaE L(N)67Lift-off force, slight
KaE M(N)355Lift-off force, medium
KaE S(N)850Lift-off force, heavy