Dimensions
d(mm)120Bore diameter
D(mm)180Outer diameter
W(mm)28Width
a(mm)49Span
rs min(mm)2Minimal edge distance
r1s min(mm)1.1Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact angle
Connecting dimensions
da h12(mm)131Diameter of shaft shoulder
Da H12(mm)169Diameter of housing shoulder
ra max(mm)2Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)144.3Injection pitch circle
Performance data
Cr(kN)107Dynamic load rating, radial
C0r(kN)91.6Static load rating, radial
Cur(kN)2.97Fatigue limit load, radial
nG Grease(min-1)9500Limit speed, grease lubrication
nG Oil(min-1)14000Limit speed, oil lubrication
FV L(N)490Preload force, slight
FV M(N)1780Preload force, medium
FV S(N)3795Preload force, heavy
ca L(N/µm)258.4Axial rigidity, slight
ca M(N/µm)410.8Axial rigidity, medium
ca S(N/µm)550Axial rigidity, heavy
KaE L(N)1430Lift-off force, slight
KaE M(N)5330Lift-off force, medium
KaE S(N)11600Lift-off force, heavy
Mass
kg1.72Mass