Dimensions
d(mm)40Bore diameter
D(mm)80Outer diameter
W(mm)18Width
a(mm)23Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)1.1Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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)48Diameter of shaft shoulder
Da H12(mm)72Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)56.7Injection pitch circle
Performance data
Cr(kN)32.2Dynamic load rating, radial
C0r(kN)20Static load rating, radial
Cur(kN)0.795Fatigue limit load, radial
nG Grease(min-1)20000Limit speed, grease lubrication
nG Oil(min-1)34000Limit speed, oil lubrication
FV L(N)117Preload force, slight
FV M(N)478Preload force, medium
FV S(N)1045Preload force, heavy
ca L(N/µm)97.5Axial rigidity, slight
ca M(N/µm)162.5Axial rigidity, medium
ca S(N/µm)220Axial rigidity, heavy
KaE L(N)347Lift-off force, slight
KaE M(N)1440Lift-off force, medium
KaE S(N)3230Lift-off force, heavy
Mass
kg0.315Mass