Dimensions
d(mm)45Bore diameter
D(mm)75Outer diameter
W(mm)16Width
a(mm)16Span
rs min(mm)1Minimal 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 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)51Diameter of shaft shoulder
Da H12(mm)69Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Etk(mm)58.2Injection pitch circle
Etk1(mm)57.2Injection pitch circle
Performance data
Cr(kN)12.9Dynamic load rating, radial
C0r(kN)6.9Static load rating, radial
Cur(kN)0.274Fatigue limit load, radial
nG Grease(min-1)33000Limit speed, grease lubrication
nG Oil(min-1)50000Limit speed, oil lubrication
FV L(N)30Preload force, slight
FV M(N)90Preload force, medium
FV S(N)180Preload force, heavy
ca L(N/µm)33.5Axial rigidity, slight
ca M(N/µm)52Axial rigidity, medium
ca S(N/µm)70Axial rigidity, heavy
KaE L(N)89Lift-off force, slight
KaE M(N)282Lift-off force, medium
KaE S(N)586Lift-off force, heavy
Mass
kg0.26Mass