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 made of Cronidur® 30, 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(°)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)9.9Dynamic load rating, radial
C0r(kN)2.4Static load rating, radial
Cur(kN)0.231Fatigue limit load, radial
nG Grease(min-1)75000Limit speed, grease lubrication
nG Oil(min-1)110000Limit speed, oil lubrication
FV L(N)15Preload force, slight
FV M(N)45Preload force, medium
FV S(N)90Preload force, heavy
ca L(N/µm)19.5Axial rigidity, slight
ca M(N/µm)30Axial rigidity, medium
ca S(N/µm)41Axial rigidity, heavy
KaE L(N)45Lift-off force, slight
KaE M(N)138Lift-off force, medium
KaE S(N)284Lift-off force, heavy
Mass
kg0.077Mass