Dimensions
d(mm)170Bore diameter
D(mm)260Outer diameter
W(mm)42Width
a(mm)71Span
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)185Diameter of shaft shoulder
Da H12(mm)246Diameter of housing shoulder
ra max(mm)2Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)205.5Injection pitch circle
Performance data
Cr(kN)224Dynamic load rating, radial
C0r(kN)240Static load rating, radial
Cur(kN)8.53Fatigue limit load, radial
nG Grease(min-1)4500Limit speed, grease lubrication
nG Oil(min-1)7000Limit speed, oil lubrication
FV L(N)2260Preload force, slight
FV M(N)7280Preload force, medium
FV S(N)14900Preload force, heavy
ca L(N/µm)410Axial rigidity, slight
ca M(N/µm)638Axial rigidity, medium
ca S(N/µm)855Axial rigidity, heavy
KaE L(N)6640Lift-off force, slight
KaE M(N)21900Lift-off force, medium
KaE S(N)46400Lift-off force, heavy
Mass
kg6.51Mass