Dimensions
d(mm)320Bore diameter
D(mm)440Outer diameter
W(mm)56Width
a(mm)116.5Span
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)342Diameter of shaft shoulder
Da H12(mm)418Diameter of housing shoulder
ra max(mm)1.5Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)368.6Injection pitch circle
Performance data
Cr(kN)353Dynamic load rating, radial
C0r(kN)506Static load rating, radial
Cur(kN)13.5Fatigue limit load, radial
nG Grease(min-1)2600Limit speed, grease lubrication
nG Oil(min-1)4000Limit speed, oil lubrication
FV L(N)3240Preload force, slight
FV M(N)11000Preload force, medium
FV S(N)22900Preload force, heavy
ca L(N/µm)640Axial rigidity, slight
ca M(N/µm)1000Axial rigidity, medium
ca S(N/µm)1335Axial rigidity, heavy
KaE L(N)9400Lift-off force, slight
KaE M(N)32800Lift-off force, medium
KaE S(N)70100Lift-off force, heavy
Mass
kg21.6Mass