Dimensions
d(mm)180Bore diameter
D(mm)280Outer diameter
W(mm)46Width
a(mm)54Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)2.1Minimal 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)196Diameter of shaft shoulder
Da H12(mm)264Diameter of housing shoulder
ra max(mm)2Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)220.5Injection pitch circle
Performance data
Cr(kN)243Dynamic load rating, radial
C0r(kN)270Static load rating, radial
Cur(kN)9.29Fatigue limit load, radial
nG Grease(min-1)4800Limit speed, grease lubrication
nG Oil(min-1)7500Limit speed, oil lubrication
FV L(N)1510Preload force, slight
FV M(N)4740Preload force, medium
FV S(N)9600Preload force, heavy
ca L(N/µm)179.9Axial rigidity, slight
ca M(N/µm)300Axial rigidity, medium
ca S(N/µm)425Axial rigidity, heavy
KaE L(N)4700Lift-off force, slight
KaE M(N)15600Lift-off force, medium
KaE S(N)33900Lift-off force, heavy
Mass
kg8.77Mass