Dimensions
d(mm)30Bore diameter
D(mm)47Outer diameter
W(mm)9Width
a(mm)13Span
rs min(mm)0.3Minimal 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)34Diameter of shaft shoulder
Da H12(mm)43.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)6Dynamic load rating, radial
C0r(kN)2.8Static load rating, radial
Cur(kN)0.109Fatigue limit load, radial
nG Grease(min-1)48000Limit speed, grease lubrication
FV L(N)24Preload force, slight
FV M(N)72Preload force, medium
FV S(N)144Preload force, heavy
ca L(N/µm)53Axial rigidity, slight
ca M(N/µm)78Axial rigidity, medium
ca S(N/µm)101.5Axial rigidity, heavy
KaE L(N)70Lift-off force, slight
KaE M(N)213Lift-off force, medium
KaE S(N)435Lift-off force, heavy
Mass
kg0.047Mass