Dimensions
d(mm)20Bore diameter
D(mm)42Outer diameter
W(mm)12Width
a(mm)10Span
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)25Diameter of shaft shoulder
Da H12(mm)37Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
Etk(mm)29.8Injection pitch circle
Etk1(mm)29Injection pitch circle
Performance data
Cr(kN)6.2Dynamic load rating, radial
C0r(kN)2.7Static load rating, radial
Cur(kN)0.135Fatigue limit load, radial
nG Grease(min-1)53000Limit speed, grease lubrication
nG Oil(min-1)80000Limit speed, oil lubrication
FV L(N)20Preload force, slight
FV M(N)63Preload force, medium
FV S(N)126Preload force, heavy
ca L(N/µm)20Axial rigidity, slight
ca M(N/µm)31.5Axial rigidity, medium
ca S(N/µm)43.5Axial rigidity, heavy
KaE L(N)63Lift-off force, slight
KaE M(N)198Lift-off force, medium
KaE S(N)420Lift-off force, heavy
Mass
kg0.08Mass