Dimensions
d(mm)70Bore diameter
D(mm)110Outer diameter
W(mm)20Width
a(mm)31Span
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 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 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(°)25Contact angle
DLR dimension
NB(mm)1.8Groove width
NA(mm)4Groove distance
SB(mm)1.6Width of oil groove
SA(mm)11.6Distance of oil groove
Connecting dimensions
da h12(mm)77Diameter of shaft shoulder
Da H12(mm)102Diameter of housing shoulder
ra max(mm)1.1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)35.3Dynamic load rating, radial
C0r(kN)20Static load rating, radial
Cur(kN)1.18Fatigue limit load, radial
nG Oil(min-1)31000Limit speed, oil lubrication
FV L(N)126Preload force, slight
FV M(N)379Preload force, medium
FV S(N)758Preload force, heavy
ca L(N/µm)131Axial rigidity, slight
ca M(N/µm)192Axial rigidity, medium
ca S(N/µm)246Axial rigidity, heavy
KaE L(N)503Lift-off force, slight
KaE M(N)1330Lift-off force, medium
KaE S(N)2800Lift-off force, heavy
Mass
kg0.55Mass