Dimensions
d(mm)240Bore diameter
D(mm)320Outer diameter
W(mm)38Width
a(mm)84Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)1.5Minimal 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)254Diameter of shaft shoulder
Da H12(mm)307Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)272.4Injection pitch circle
Performance data
Cr(kN)209Dynamic load rating, radial
C0r(kN)228Static load rating, radial
Cur(kN)5.4Fatigue limit load, radial
nG Grease(min-1)4800Limit speed, grease lubrication
nG Oil(min-1)7500Limit speed, oil lubrication
FV L(N)795Preload force, slight
FV M(N)3280Preload force, medium
FV S(N)7200Preload force, heavy
ca L(N/µm)420Axial rigidity, slight
ca M(N/µm)695Axial rigidity, medium
ca S(N/µm)930Axial rigidity, heavy
KaE L(N)2320Lift-off force, slight
KaE M(N)9750Lift-off force, medium
KaE S(N)21800Lift-off force, heavy
Mass
kg5.89Mass