Dimensions
d(mm)25Bore diameter
D(mm)42Outer diameter
W(mm)9Width
a(mm)12Span
rs min(mm)0.3Minimal edge distance
High-speed 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)29Diameter of shaft shoulder
Da H12(mm)38.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
Etk(mm)32.5Injection pitch circle
Etk1(mm)31.9Injection pitch circle
Performance data
Cr(kN)3.9Dynamic load rating, radial
C0r(kN)1.8Static load rating, radial
Cur(kN)0.071Fatigue limit load, radial
nG Grease(min-1)56000Limit speed, grease lubrication
nG Oil(min-1)85000Limit speed, oil lubrication
FV L(N)16Preload force, slight
FV M(N)48Preload force, medium
FV S(N)96Preload force, heavy
ca L(N/µm)42.5Axial rigidity, slight
ca M(N/µm)62Axial rigidity, medium
ca S(N/µm)80Axial rigidity, heavy
KaE L(N)47Lift-off force, slight
KaE M(N)139Lift-off force, medium
KaE S(N)282Lift-off force, heavy
Mass
kg0.048Mass