Dimensions
d(mm)25Bore diameter
D(mm)42Outer diameter
W(mm)9Width
a(mm)9Span
rs min(mm)0.3Minimal 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)29Diameter of shaft shoulder
Da H12(mm)38.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)4.2Dynamic load rating, radial
C0r(kN)1.9Static load rating, radial
Cur(kN)0.075Fatigue limit load, radial
nG Grease(min-1)60000Limit speed, grease lubrication
FV L(N)10Preload force, slight
FV M(N)30Preload force, medium
FV S(N)60Preload force, heavy
ca L(N/µm)16.5Axial rigidity, slight
ca M(N/µm)25.5Axial rigidity, medium
ca S(N/µm)34.5Axial rigidity, heavy
KaE L(N)30Lift-off force, slight
KaE M(N)90Lift-off force, medium
KaE S(N)188Lift-off force, heavy
Mass
kg0.048Mass