Dimensions
d(mm)120Bore diameter
D(mm)180Outer diameter
W(mm)28Width
a(mm)49Span
rs min(mm)2Minimal edge distance
High-speed hybrid 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)131Diameter of shaft shoulder
Da H12(mm)169Diameter of housing shoulder
ra max(mm)2Maximal rounding radius
Etk(mm)145.4Injection pitch circle
Etk1(mm)143.2Injection pitch circle
Performance data
Cr(kN)48.7Dynamic load rating, radial
C0r(kN)38.3Static load rating, radial
Cur(kN)1.59Fatigue limit load, radial
nG Grease(min-1)9500Limit speed, grease lubrication
nG Oil(min-1)14000Limit speed, oil lubrication
FV L(N)288Preload force, slight
FV M(N)864Preload force, medium
FV S(N)1728Preload force, heavy
ca L(N/µm)207Axial rigidity, slight
ca M(N/µm)305Axial rigidity, medium
ca S(N/µm)398Axial rigidity, heavy
KaE L(N)824Lift-off force, slight
KaE M(N)2511Lift-off force, medium
KaE S(N)5114Lift-off force, heavy
Mass
kg2.3Mass