Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)19Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, one grease/ lubrication groove with two grease/ lubrication bores, two circular grooves with O rings, cage made of laminated fabric, diminished tolerances, rings and rolling elements made of high-quality roller bearing steel
Technical data
*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".
Contact angle
α(°)15Contact angle
DLR dimension
NB(mm)1.5Groove width
NA(mm)4.3Groove distance
SB(mm)1.4Width of oil groove
SA(mm)9.7Distance of oil groove
Connecting dimensions
da h12(mm)62Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)18.8Dynamic load rating, radial
C0r(kN)10.6Static load rating, radial
Cur(kN)0.419Fatigue limit load, radial
nG Oil(min-1)43000Limit speed, oil lubrication
FV L(N)45Preload force, slight
FV M(N)135Preload force, medium
FV S(N)270Preload force, heavy
ca L(N/µm)42Axial rigidity, slight
ca M(N/µm)65Axial rigidity, medium
ca S(N/µm)87Axial rigidity, heavy
KaE L(N)134Lift-off force, slight
KaE M(N)415Lift-off force, medium
KaE S(N)861Lift-off force, heavy
Mass
kg0.411Mass