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
Spindle bearing, adjusted, in pairs or sets, contact angle 25°, cage made of laminated fabric, diminished tolerances, rings and rolling elements made of high-quality roller bearing steel
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)248Static load rating, radial
Cur(kN)7.71Fatigue limit load, radial
nG Grease(min-1)3600Limit speed, grease lubrication
nG Oil(min-1)5300Limit speed, oil lubrication
FV L(N)1770Preload force, slight
FV M(N)6300Preload force, medium
FV S(N)13350Preload force, heavy
ca L(N/µm)490Axial rigidity, slight
ca M(N/µm)785Axial rigidity, medium
ca S(N/µm)1060Axial rigidity, heavy
KaE L(N)5100Lift-off force, slight
KaE M(N)18800Lift-off force, medium
KaE S(N)41000Lift-off force, heavy
Mass
kg7.08Mass