Dimensions
d(mm)85Bore diameter
D(mm)120Outer diameter
W(mm)18Width
a(mm)33Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, contactless sealed at both sides, 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(°)25Contact angle
Connecting dimensions
da h12(mm)92Diameter of shaft shoulder
Da H12(mm)114Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)20.6Dynamic load rating, radial
C0r(kN)14.7Static load rating, radial
Cur(kN)0.577Fatigue limit load, radial
nG Grease(min-1)18000Limit speed, grease lubrication
FV L(N)84Preload force, slight
FV M(N)252Preload force, medium
FV S(N)504Preload force, heavy
ca L(N/µm)141Axial rigidity, slight
ca M(N/µm)207.5Axial rigidity, medium
ca S(N/µm)269Axial rigidity, heavy
KaE L(N)242Lift-off force, slight
KaE M(N)739Lift-off force, medium
KaE S(N)1499Lift-off force, heavy
Mass
kg0.582Mass