Dimensions
d(mm)30Bore diameter
D(mm)47Outer diameter
W(mm)9Width
a(mm)14Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.15Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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)32Diameter of shaft shoulder
Da H12(mm)43.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Etk(mm)37.3Injection pitch circle
Performance data
Cr(kN)8.1Dynamic load rating, radial
C0r(kN)5Static load rating, radial
Cur(kN)0.196Fatigue limit load, radial
nG Grease(min-1)38000Limit speed, grease lubrication
nG Oil(min-1)60000Limit speed, oil lubrication
FV L(N)30Preload force, slight
FV M(N)85Preload force, medium
FV S(N)224Preload force, heavy
ca L(N/µm)60Axial rigidity, slight
ca M(N/µm)87.8Axial rigidity, medium
ca S(N/µm)126Axial rigidity, heavy
KaE L(N)88Lift-off force, slight
KaE M(N)254Lift-off force, medium
KaE S(N)680Lift-off force, heavy
Mass
kg0.041Mass