Dimensions
d(mm)25Bore diameter
D(mm)47Outer diameter
W(mm)12Width
a(mm)11Span
rs min(mm)0.6Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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(°)15Contact angle
Connecting dimensions
da h12(mm)30Diameter of shaft shoulder
Da H12(mm)42Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
Etk(mm)34.8Injection pitch circle
Etk1(mm)34Injection pitch circle
Performance data
Cr(kN)6.3Dynamic load rating, radial
C0r(kN)2.9Static load rating, radial
Cur(kN)0.146Fatigue limit load, radial
nG Grease(min-1)45000Limit speed, grease lubrication
nG Oil(min-1)70000Limit speed, oil lubrication
FV L(N)21Preload force, slight
FV M(N)63Preload force, medium
FV S(N)126Preload force, heavy
ca L(N/µm)20.5Axial rigidity, slight
ca M(N/µm)33Axial rigidity, medium
ca S(N/µm)45.5Axial rigidity, heavy
KaE L(N)63Lift-off force, slight
KaE M(N)204Lift-off force, medium
KaE S(N)426Lift-off force, heavy
Mass
kg0.09Mass