Dimensions
d(mm)45Bore diameter
D(mm)68Outer diameter
W(mm)12Width
a(mm)14Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.15Minimal 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)6.6Distance of oil groove
Connecting dimensions
da h12(mm)50Diameter of shaft shoulder
Da H12(mm)63.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Performance data
Cr(kN)29.6Dynamic load rating, radial
C0r(kN)13.5Static load rating, radial
Cur(kN)1.27Fatigue limit load, radial
nG Oil(min-1)48000Limit speed, oil lubrication
FV L(N)41Preload force, slight
FV M(N)164Preload force, medium
FV S(N)360Preload force, heavy
ca L(N/µm)36.5Axial rigidity, slight
ca M(N/µm)65Axial rigidity, medium
ca S(N/µm)93.5Axial rigidity, heavy
KaE L(N)124Lift-off force, slight
KaE M(N)529Lift-off force, medium
KaE S(N)1230Lift-off force, heavy
Mass
kg0.108Mass