Dimensions
d(mm)55Bore diameter
D(mm)90Outer diameter
W(mm)18Width
a(mm)26Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
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 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(°)25Contact 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)51.8Dynamic load rating, radial
C0r(kN)26.1Static load rating, radial
Cur(kN)2.45Fatigue limit load, radial
nG Oil(min-1)34000Limit speed, oil lubrication
FV L(N)135Preload force, slight
FV M(N)550Preload force, medium
FV S(N)1220Preload force, heavy
ca L(N/µm)120Axial rigidity, slight
ca M(N/µm)203Axial rigidity, medium
ca S(N/µm)277Axial rigidity, heavy
KaE L(N)390Lift-off force, slight
KaE M(N)1660Lift-off force, medium
KaE S(N)3750Lift-off force, heavy
Mass
kg0.335Mass