Dimensions
d(mm)50Bore diameter
D(mm)80Outer diameter
W(mm)16Width
a(mm)18Span
rs min(mm)1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
Hybrid spindle bearings for higher speeds, adjusted, in pairs or sets, contact angle 17°, 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(°)17Contact angle
Connecting dimensions
da h12(mm)56Diameter of shaft shoulder
Da H12(mm)74Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)62.4Injection pitch circle
Performance data
Cr(kN)19Dynamic load rating, radial
C0r(kN)10Static load rating, radial
Cur(kN)0.55Fatigue limit load, radial
nG Grease(min-1)32000Limit speed, grease lubrication
nG Oil(min-1)46000Limit speed, oil lubrication
FV L(N)56Preload force, slight
FV M(N)145Preload force, medium
FV S(N)305Preload force, heavy
ca L(N/µm)44Axial rigidity, slight
ca M(N/µm)66Axial rigidity, medium
ca S(N/µm)90Axial rigidity, heavy
KaE L(N)160Lift-off force, slight
KaE M(N)430Lift-off force, medium
KaE S(N)930Lift-off force, heavy
Mass
kg0.246Mass