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°, cage made of laminated fabric, diminished tolerances, rings made of Cronidur® 30, 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(°)15Contact angle
Connecting dimensions
da h12(mm)62Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Etk(mm)70.2Injection pitch circle
Etk1(mm)69.1Injection pitch circle
Performance data
Cr(kN)30.1Dynamic load rating, radial
C0r(kN)10.6Static load rating, radial
Cur(kN)0.993Fatigue limit load, radial
nG Grease(min-1)31000Limit speed, grease lubrication
nG Oil(min-1)48000Limit speed, oil lubrication
FV L(N)45Preload force, slight
FV M(N)135Preload force, medium
FV S(N)270Preload force, heavy
ca L(N/µm)42Axial rigidity, slight
ca M(N/µm)65Axial rigidity, medium
ca S(N/µm)87Axial rigidity, heavy
KaE L(N)134Lift-off force, slight
KaE M(N)415Lift-off force, medium
KaE S(N)861Lift-off force, heavy
Mass
kg0.411Mass