Dimensions
d(mm)50Bore diameter
D(mm)80Outer diameter
W(mm)16Width
a(mm)23Span
rs min(mm)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)56Diameter of shaft shoulder
Da H12(mm)74Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)12.6Dynamic load rating, radial
C0r(kN)7.1Static load rating, radial
Cur(kN)0.282Fatigue limit load, radial
nG Grease(min-1)28000Limit speed, grease lubrication
FV L(N)51Preload force, slight
FV M(N)153Preload force, medium
FV S(N)306Preload force, heavy
ca L(N/µm)91.5Axial rigidity, slight
ca M(N/µm)134.5Axial rigidity, medium
ca S(N/µm)174Axial rigidity, heavy
KaE L(N)148Lift-off force, slight
KaE M(N)451Lift-off force, medium
KaE S(N)917Lift-off force, heavy
Mass
kg0.279Mass