Dimensions
d(mm)140Bore diameter
D(mm)250Outer diameter
W(mm)42Width
a(mm)66Span
rs min(mm)3Minimal edge distance
r1s min(mm)3Minimal 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)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)211Dynamic load rating, radial
C0r(kN)236Static load rating, radial
Cur(kN)8.57Fatigue limit load, radial
nG Grease(min-1)4500Limit speed, grease lubrication
nG Oil(min-1)6700Limit speed, oil lubrication
FV L(N)2150Preload force, slight
FV M(N)6930Preload force, medium
FV S(N)14100Preload force, heavy
ca L(N/µm)377Axial rigidity, slight
ca M(N/µm)580Axial rigidity, medium
ca S(N/µm)780Axial rigidity, heavy
KaE L(N)6300Lift-off force, slight
KaE M(N)20900Lift-off force, medium
KaE S(N)44200Lift-off force, heavy
Mass
kg7.87Mass