Dimensions
d(mm)160Bore diameter
D(mm)290Outer diameter
W(mm)48Width
a(mm)54Span
rs min(mm)3Minimal edge distance
r1s min(mm)3Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, cage made of laminated fabric, diminished tolerances, rings made of high-quality roller bearing steel, rolling elements made of silicon nitride
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)191Diameter of shaft shoulder
Da H12(mm)259Diameter of housing shoulder
ra max(mm)2.5Maximal rounding radius
rb max(mm)2.5Maximal rounding radius
Etk(mm)215.5Injection pitch circle
Performance data
Cr(kN)245Dynamic load rating, radial
C0r(kN)280Static load rating, radial
Cur(kN)7.41Fatigue limit load, radial
nG Grease(min-1)5300Limit speed, grease lubrication
nG Oil(min-1)8000Limit speed, oil lubrication
FV L(N)830Preload force, slight
FV M(N)2660Preload force, medium
FV S(N)5480Preload force, heavy
ca L(N/µm)160.1Axial rigidity, slight
ca M(N/µm)258Axial rigidity, medium
ca S(N/µm)356Axial rigidity, heavy
KaE L(N)2520Lift-off force, slight
KaE M(N)8550Lift-off force, medium
KaE S(N)18300Lift-off force, heavy
Mass
kg11.5Mass