Dimensions
d(mm)240Bore diameter
D(mm)320Outer diameter
W(mm)38Width
a(mm)57Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)1.5Minimal 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)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)225Dynamic load rating, radial
C0r(kN)244Static load rating, radial
Cur(kN)5.79Fatigue limit load, radial
nG Grease(min-1)5300Limit speed, grease lubrication
nG Oil(min-1)8500Limit speed, oil lubrication
FV L(N)630Preload force, slight
FV M(N)2240Preload force, medium
FV S(N)4730Preload force, heavy
ca L(N/µm)179.8Axial rigidity, slight
ca M(N/µm)300Axial rigidity, medium
ca S(N/µm)420Axial rigidity, heavy
KaE L(N)1900Lift-off force, slight
KaE M(N)7060Lift-off force, medium
KaE S(N)15600Lift-off force, heavy
Mass
kg5.89Mass