Dimensions
d(mm)20Bore diameter
D(mm)42Outer diameter
W(mm)12Width
a(mm)13Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal 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)25Diameter of shaft shoulder
Da H12(mm)37Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Etk(mm)29.1Injection pitch circle
Performance data
Cr(kN)10.6Dynamic load rating, radial
C0r(kN)6.1Static load rating, radial
Cur(kN)0.243Fatigue limit load, radial
nG Grease(min-1)48000Limit speed, grease lubrication
nG Oil(min-1)75000Limit speed, oil lubrication
FV L(N)26Preload force, slight
FV M(N)131Preload force, medium
FV S(N)304Preload force, heavy
ca L(N/µm)41.4Axial rigidity, slight
ca M(N/µm)73.5Axial rigidity, medium
ca S(N/µm)101.5Axial rigidity, heavy
KaE L(N)76Lift-off force, slight
KaE M(N)390Lift-off force, medium
KaE S(N)930Lift-off force, heavy
Mass
kg0.062Mass