Dimensions
d(mm)50Bore diameter
D(mm)80Outer diameter
W(mm)16Width
a(mm)23Span
rs min(mm)1Minimal edge distance
High-speed 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 and rolling elements made of high-quality roller bearing steel
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)56Diameter of shaft shoulder
Da H12(mm)74Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)12.6Dynamic load rating, radial
C0r(kN)7.1Static load rating, radial
Cur(kN)0.282Fatigue limit load, radial
nG Oil(min-1)43000Limit speed, oil lubrication
FV L(N)51Preload force, slight
FV M(N)153Preload force, medium
FV S(N)306Preload force, heavy
ca L(N/µm)91.5Axial rigidity, slight
ca M(N/µm)134.5Axial rigidity, medium
ca S(N/µm)174Axial rigidity, heavy
KaE L(N)148Lift-off force, slight
KaE M(N)451Lift-off force, medium
KaE S(N)917Lift-off force, heavy
Mass
kg0.279Mass