Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)26Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact 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)17.5Dynamic load rating, radial
C0r(kN)10.9Static load rating, radial
Cur(kN)0.55Fatigue limit load, radial
nG Grease(min-1)20000Limit speed, grease lubrication
nG Oil(min-1)30000Limit speed, oil lubrication
FV L(N)105Preload force, slight
FV M(N)315Preload force, medium
FV S(N)630Preload force, heavy
ca L(N/µm)105Axial rigidity, slight
ca M(N/µm)160Axial rigidity, medium
ca S(N/µm)208Axial rigidity, heavy
KaE L(N)301Lift-off force, slight
KaE M(N)922Lift-off force, medium
KaE S(N)1883Lift-off force, heavy
Mass
kg0.43Mass