Dimensions
d(mm)320Bore diameter
D(mm)440Outer diameter
W(mm)56Width
a(mm)79Span
rs min(mm)3Minimal edge distance
r1s min(mm)3Minimal 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)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)378Dynamic load rating, radial
C0r(kN)544Static load rating, radial
Cur(kN)14.5Fatigue limit load, radial
nG Grease(min-1)2800Limit speed, grease lubrication
nG Oil(min-1)4300Limit speed, oil lubrication
FV L(N)2180Preload force, slight
FV M(N)7020Preload force, medium
FV S(N)14400Preload force, heavy
ca L(N/µm)267Axial rigidity, slight
ca M(N/µm)440Axial rigidity, medium
ca S(N/µm)620Axial rigidity, heavy
KaE L(N)6610Lift-off force, slight
KaE M(N)22600Lift-off force, medium
KaE S(N)49400Lift-off force, heavy
Mass
kg21.6Mass