Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)20Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
Hybrid spindle bearings for higher speeds, adjusted, in pairs or sets, contact angle 17°, cage made of laminated fabric, diminished tolerances, rings made of high-quality roller bearing steel, rolling elements made of silicon nitride
Technical data
*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".
Contact angle
α(°)17Contact angle
Connecting dimensions
da h12(mm)62Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1.1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)69.6Injection pitch circle
Performance data
Cr(kN)26.6Dynamic load rating, radial
C0r(kN)13.4Static load rating, radial
Cur(kN)0.85Fatigue limit load, radial
nG Grease(min-1)28000Limit speed, grease lubrication
nG Oil(min-1)41000Limit speed, oil lubrication
FV L(N)81Preload force, slight
FV M(N)214Preload force, medium
FV S(N)450Preload force, heavy
ca L(N/µm)54Axial rigidity, slight
ca M(N/µm)78Axial rigidity, medium
ca S(N/µm)105Axial rigidity, heavy
KaE L(N)236Lift-off force, slight
KaE M(N)638Lift-off force, medium
KaE S(N)1380Lift-off force, heavy
Mass
kg0.348Mass