Dimensions
d(mm)45Bore diameter
D(mm)75Outer diameter
W(mm)16Width
a(mm)22Span
rs min(mm)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)3.4Groove distance
SB(mm)1.4Width of oil groove
SA(mm)9.3Distance of oil groove
Connecting dimensions
da h12(mm)51Diameter of shaft shoulder
Da H12(mm)69Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)41.4Dynamic load rating, radial
C0r(kN)17.1Static load rating, radial
Cur(kN)1.61Fatigue limit load, radial
nG Oil(min-1)40000Limit speed, oil lubrication
FV L(N)90Preload force, slight
FV M(N)394Preload force, medium
FV S(N)876Preload force, heavy
ca L(N/µm)97Axial rigidity, slight
ca M(N/µm)165Axial rigidity, medium
ca S(N/µm)226Axial rigidity, heavy
KaE L(N)264Lift-off force, slight
KaE M(N)1180Lift-off force, medium
KaE S(N)2700Lift-off force, heavy
Mass
kg0.211Mass