Dimensions
d(mm)45Bore diameter
D(mm)68Outer diameter
W(mm)12Width
a(mm)19Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.15Minimal 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)50Diameter of shaft shoulder
Da H12(mm)63.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Etk(mm)54.4Injection pitch circle
Performance data
Cr(kN)17.4Dynamic load rating, radial
C0r(kN)12.6Static load rating, radial
Cur(kN)0.466Fatigue limit load, radial
nG Grease(min-1)26000Limit speed, grease lubrication
nG Oil(min-1)40000Limit speed, oil lubrication
FV L(N)79Preload force, slight
FV M(N)230Preload force, medium
FV S(N)540Preload force, heavy
ca L(N/µm)98Axial rigidity, slight
ca M(N/µm)145Axial rigidity, medium
ca S(N/µm)201Axial rigidity, heavy
KaE L(N)232Lift-off force, slight
KaE M(N)689Lift-off force, medium
KaE S(N)1660Lift-off force, heavy
Mass
kg0.108Mass