Dimensions
d(mm)180Bore diameter
D(mm)280Outer diameter
W(mm)46Width
a(mm)77Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)2.1Minimal 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)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)232Dynamic load rating, radial
C0r(kN)257Static load rating, radial
Cur(kN)8.83Fatigue limit load, radial
nG Grease(min-1)4300Limit speed, grease lubrication
nG Oil(min-1)6700Limit speed, oil lubrication
FV L(N)2340Preload force, slight
FV M(N)7530Preload force, medium
FV S(N)15450Preload force, heavy
ca L(N/µm)433Axial rigidity, slight
ca M(N/µm)670Axial rigidity, medium
ca S(N/µm)895Axial rigidity, heavy
KaE L(N)6800Lift-off force, slight
KaE M(N)22600Lift-off force, medium
KaE S(N)48000Lift-off force, heavy
Mass
kg8.77Mass