Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)26Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact 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)17.5Dynamic load rating, radial
C0r(kN)10Static load rating, radial
Cur(kN)0.396Fatigue limit load, radial
nG Oil(min-1)40000Limit speed, oil lubrication
FV L(N)73Preload force, slight
FV M(N)220Preload force, medium
FV S(N)438Preload force, heavy
ca L(N/µm)107Axial rigidity, slight
ca M(N/µm)158Axial rigidity, medium
ca S(N/µm)204Axial rigidity, heavy
KaE L(N)211Lift-off force, slight
KaE M(N)643Lift-off force, medium
KaE S(N)1303Lift-off force, heavy
Mass
kg0.411Mass