Dimensions
d(mm)70Bore diameter
D(mm)125Outer diameter
W(mm)24Width
a(mm)35Span
rs min(mm)1.5Minimal edge distance
r1s min(mm)0.6Minimal 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)80Diameter of shaft shoulder
Da H12(mm)115Diameter of housing shoulder
ra max(mm)1.5Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)92.7Injection pitch circle
Performance data
Cr(kN)66.1Dynamic load rating, radial
C0r(kN)51.6Static load rating, radial
Cur(kN)2.05Fatigue limit load, radial
nG Grease(min-1)12000Limit speed, grease lubrication
nG Oil(min-1)19000Limit speed, oil lubrication
FV L(N)293Preload force, slight
FV M(N)1100Preload force, medium
FV S(N)2350Preload force, heavy
ca L(N/µm)171.5Axial rigidity, slight
ca M(N/µm)276.5Axial rigidity, medium
ca S(N/µm)371Axial rigidity, heavy
KaE L(N)866Lift-off force, slight
KaE M(N)3300Lift-off force, medium
KaE S(N)7230Lift-off force, heavy
Mass
kg0.925Mass