Dimensions
d(mm)75Bore diameter
D(mm)115Outer diameter
W(mm)20Width
a(mm)32Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact angle
Connecting dimensions
da h12(mm)82Diameter of shaft shoulder
Da H12(mm)107Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)25.2Dynamic load rating, radial
C0r(kN)15.6Static load rating, radial
Cur(kN)0.619Fatigue limit load, radial
nG Grease(min-1)19000Limit speed, grease lubrication
FV L(N)102Preload force, slight
FV M(N)306Preload force, medium
FV S(N)610Preload force, heavy
ca L(N/µm)134Axial rigidity, slight
ca M(N/µm)199Axial rigidity, medium
ca S(N/µm)257Axial rigidity, heavy
KaE L(N)292Lift-off force, slight
KaE M(N)891Lift-off force, medium
KaE S(N)1805Lift-off force, heavy
Mass
kg0.675Mass