Dimensions
d(mm)50Bore diameter
D(mm)90Outer diameter
W(mm)20Width
a(mm)19Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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(°)15Contact angle
Connecting dimensions
da h12(mm)57Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)65.9Injection pitch circle
Performance data
Cr(kN)42.8Dynamic load rating, radial
C0r(kN)26.9Static load rating, radial
Cur(kN)1.07Fatigue limit load, radial
nG Grease(min-1)20000Limit speed, grease lubrication
nG Oil(min-1)34000Limit speed, oil lubrication
FV L(N)122Preload force, slight
FV M(N)423Preload force, medium
FV S(N)895Preload force, heavy
ca L(N/µm)51Axial rigidity, slight
ca M(N/µm)85Axial rigidity, medium
ca S(N/µm)123Axial rigidity, heavy
KaE L(N)375Lift-off force, slight
KaE M(N)1380Lift-off force, medium
KaE S(N)3050Lift-off force, heavy
Mass
kg0.385Mass