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°, contactless sealed at both sides, 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(°)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
Performance data
Cr(kN)6.3Dynamic load rating, radial
C0r(kN)2.7Static load rating, radial
Cur(kN)0.105Fatigue limit load, radial
nG Grease(min-1)56000Limit speed, grease lubrication
FV L(N)15Preload force, slight
FV M(N)45Preload force, medium
FV S(N)90Preload force, heavy
ca L(N/µm)20.1Axial rigidity, slight
ca M(N/µm)31.5Axial rigidity, medium
ca S(N/µm)42Axial rigidity, heavy
KaE L(N)45Lift-off force, slight
KaE M(N)138Lift-off force, medium
KaE S(N)283Lift-off force, heavy
Mass
kg0.087Mass