Dimensions
d(mm)20Bore diameter
D(mm)47Outer diameter
W(mm)14Width
a(mm)15Span
rs min(mm)1Minimal edge distance
r1s min(mm)0.6Minimal 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)26.5Diameter of shaft shoulder
Da H12(mm)40.5Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)31.3Injection pitch circle
Performance data
Cr(kN)12.4Dynamic load rating, radial
C0r(kN)7.1Static load rating, radial
Cur(kN)0.28Fatigue limit load, radial
nG Grease(min-1)36000Limit speed, grease lubrication
nG Oil(min-1)53000Limit speed, oil lubrication
FV L(N)56Preload force, slight
FV M(N)240Preload force, medium
FV S(N)540Preload force, heavy
ca L(N/µm)57Axial rigidity, slight
ca M(N/µm)98Axial rigidity, medium
ca S(N/µm)134.5Axial rigidity, heavy
KaE L(N)160Lift-off force, slight
KaE M(N)720Lift-off force, medium
KaE S(N)1650Lift-off force, heavy
Mass
kg0.098Mass