Dimensions
d(mm)240Bore diameter
D(mm)320Outer diameter
W(mm)38Width
a(mm)57Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)1.5Minimal 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)254Diameter of shaft shoulder
Da H12(mm)307Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)272.4Injection pitch circle
Performance data
Cr(kN)225Dynamic load rating, radial
C0r(kN)266Static load rating, radial
Cur(kN)8.28Fatigue limit load, radial
nG Grease(min-1)4000Limit speed, grease lubrication
nG Oil(min-1)6000Limit speed, oil lubrication
FV L(N)1230Preload force, slight
FV M(N)4080Preload force, medium
FV S(N)8430Preload force, heavy
ca L(N/µm)208Axial rigidity, slight
ca M(N/µm)350Axial rigidity, medium
ca S(N/µm)500Axial rigidity, heavy
KaE L(N)3760Lift-off force, slight
KaE M(N)13300Lift-off force, medium
KaE S(N)29300Lift-off force, heavy
Mass
kg7.08Mass