Dimensions
d(mm)140Bore diameter
D(mm)250Outer diameter
W(mm)42Width
a(mm)47Span
rs min(mm)3Minimal edge distance
r1s min(mm)3Minimal edge distance
Spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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(°)15Contact angle
Connecting dimensions
da h12(mm)163Diameter of shaft shoulder
Da H12(mm)226.5Diameter of housing shoulder
ra max(mm)2.5Maximal rounding radius
rb max(mm)2.5Maximal rounding radius
Etk(mm)185.5Injection pitch circle
Performance data
Cr(kN)222Dynamic load rating, radial
C0r(kN)248Static load rating, radial
Cur(kN)9Fatigue limit load, radial
nG Grease(min-1)5000Limit speed, grease lubrication
nG Oil(min-1)7500Limit speed, oil lubrication
FV L(N)1360Preload force, slight
FV M(N)4260Preload force, medium
FV S(N)8640Preload force, heavy
ca L(N/µm)154.8Axial rigidity, slight
ca M(N/µm)260Axial rigidity, medium
ca S(N/µm)370Axial rigidity, heavy
KaE L(N)4200Lift-off force, slight
KaE M(N)14200Lift-off force, medium
KaE S(N)30700Lift-off force, heavy
Mass
kg7.87Mass