Dimensions
d(mm)80Bore diameter
D(mm)125Outer diameter
W(mm)22Width
a(mm)27Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
Hybrid spindle bearing for higher speeds, adjusted, in pairs or sets, contact angle 17°, 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 high-quality roller bearing steel, 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(°)17Contact angle
DLR dimension
NB(mm)1.8Groove width
NA(mm)4.7Groove distance
SB(mm)2.6Width of oil groove
SA(mm)12.2Distance of oil groove
Connecting dimensions
da h12(mm)88Diameter of shaft shoulder
Da H12(mm)117Diameter of housing shoulder
ra max(mm)1.1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)43.4Dynamic load rating, radial
C0r(kN)25.9Static load rating, radial
Cur(kN)1.71Fatigue limit load, radial
nG Oil(min-1)29000Limit speed, oil lubrication
FV L(N)169Preload force, slight
FV M(N)447Preload force, medium
FV S(N)941Preload force, heavy
ca L(N/µm)81Axial rigidity, slight
ca M(N/µm)118Axial rigidity, medium
ca S(N/µm)161Axial rigidity, heavy
KaE L(N)495Lift-off force, slight
KaE M(N)1340Lift-off force, medium
KaE S(N)2900Lift-off force, heavy
Mass
kg0.845Mass