Dimensions
d(mm)55Bore diameter
D(mm)80Outer diameter
W(mm)13Width
a(mm)22Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal edge distance
Hybrid spindle bearing for higher speeds, 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)60Diameter of shaft shoulder
Da H12(mm)75.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Etk(mm)65.3Injection pitch circle
Performance data
Cr(kN)17Dynamic load rating, radial
C0r(kN)9.1Static load rating, radial
Cur(kN)0.72Fatigue limit load, radial
nG Grease(min-1)29000Limit speed, grease lubrication
nG Oil(min-1)42000Limit speed, oil lubrication
FV L(N)106Preload force, slight
FV M(N)277Preload force, medium
FV S(N)575Preload force, heavy
ca L(N/µm)100Axial rigidity, slight
ca M(N/µm)140Axial rigidity, medium
ca S(N/µm)183Axial rigidity, heavy
KaE L(N)300Lift-off force, slight
KaE M(N)800Lift-off force, medium
KaE S(N)1690Lift-off force, heavy
Mass
kg0.155Mass