Dimensions
d(mm)55Bore diameter
D(mm)80Outer diameter
W(mm)13Width
a(mm)22Span
rs min(mm)0.6Minimal edge distance
Technical data
*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".
Contact angle
α(°)25Contact angle
DLR dimension
NB(mm)1.5Groove width
NA(mm)2.8Groove distance
SB(mm)1.6Width of oil groove
SA(mm)7.2Distance of oil groove
Connecting dimensions
da h12(mm)60Diameter of shaft shoulder
Da H12(mm)75.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)12.5Dynamic load rating, radial
C0r(kN)8.1Static load rating, radial
Cur(kN)0.41Fatigue limit load, radial
nG Oil(min-1)32000Limit speed, oil lubrication
FV L(N)75Preload force, slight
FV M(N)225Preload force, medium
FV S(N)450Preload force, heavy
ca L(N/µm)94Axial rigidity, slight
ca M(N/µm)140Axial rigidity, medium
ca S(N/µm)183Axial rigidity, heavy
KaE L(N)215Lift-off force, slight
KaE M(N)659Lift-off force, medium
KaE S(N)1349Lift-off force, heavy
Mass
kg0.2Mass