Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)19Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, contactless sealed at both sides, greased/ lubricated, cage made of laminated fabric, diminished tolerances, rings and rolling elements made of high-quality roller bearing steel
Technical data
*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".
Contact angle
α(°)15Contact angle
Connecting dimensions
da h12(mm)62Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)18.8Dynamic load rating, radial
C0r(kN)11.5Static load rating, radial
Cur(kN)0.581Fatigue limit load, radial
nG Grease(min-1)22000Limit speed, grease lubrication
FV L(N)64Preload force, slight
FV M(N)192Preload force, medium
FV S(N)384Preload force, heavy
ca L(N/µm)42.5Axial rigidity, slight
ca M(N/µm)67Axial rigidity, medium
ca S(N/µm)92.5Axial rigidity, heavy
KaE L(N)191Lift-off force, slight
KaE M(N)603Lift-off force, medium
KaE S(N)1264Lift-off force, heavy
Mass
kg0.43Mass