Dimensions
d(mm)220Bore diameter
D(mm)300Outer diameter
W(mm)38Width
a(mm)80Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)1.5Minimal 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)234Diameter of shaft shoulder
Da H12(mm)286Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)252.4Injection pitch circle
Performance data
Cr(kN)205Dynamic load rating, radial
C0r(kN)233Static load rating, radial
Cur(kN)7.53Fatigue limit load, radial
nG Grease(min-1)3800Limit speed, grease lubrication
nG Oil(min-1)6000Limit speed, oil lubrication
FV L(N)1715Preload force, slight
FV M(N)6085Preload force, medium
FV S(N)12865Preload force, heavy
ca L(N/µm)463Axial rigidity, slight
ca M(N/µm)742Axial rigidity, medium
ca S(N/µm)998Axial rigidity, heavy
KaE L(N)4990Lift-off force, slight
KaE M(N)18200Lift-off force, medium
KaE S(N)39600Lift-off force, heavy
Mass
kg6.57Mass