Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)19Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal 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)3.8Groove 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
rb max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)54.7Dynamic load rating, radial
C0r(kN)28.1Static load rating, radial
Cur(kN)2.64Fatigue limit load, radial
nG Oil(min-1)38000Limit speed, oil lubrication
FV L(N)102Preload force, slight
FV M(N)370Preload force, medium
FV S(N)785Preload force, heavy
ca L(N/µm)52Axial rigidity, slight
ca M(N/µm)90Axial rigidity, medium
ca S(N/µm)128Axial rigidity, heavy
KaE L(N)310Lift-off force, slight
KaE M(N)1210Lift-off force, medium
KaE S(N)2700Lift-off force, heavy
Mass
kg0.335Mass