Dimensions
d(mm)55Bore diameter
D(mm)80Outer diameter
W(mm)13Width
a(mm)16Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal edge distance
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 made of Cronidur® 30, 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
DLR dimension
NB(mm)1.5Groove width
NA(mm)2.8Groove distance
SB(mm)1.6Width of oil groove
SA(mm)7.2Distance of oil groove
Connecting dimensions
da h12(mm)60Diameter of shaft shoulder
Da H12(mm)75.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)36.4Dynamic load rating, radial
C0r(kN)17.3Static load rating, radial
Cur(kN)1.62Fatigue limit load, radial
nG Oil(min-1)40000Limit speed, oil lubrication
FV L(N)50Preload force, slight
FV M(N)202Preload force, medium
FV S(N)442Preload force, heavy
ca L(N/µm)42Axial rigidity, slight
ca M(N/µm)74.2Axial rigidity, medium
ca S(N/µm)106Axial rigidity, heavy
KaE L(N)150Lift-off force, slight
KaE M(N)655Lift-off force, medium
KaE S(N)1510Lift-off force, heavy
Mass
kg0.151Mass