Dimensions
d(mm)75Bore diameter
D(mm)115Outer diameter
W(mm)20Width
a(mm)25Span
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)4Groove distance
SB(mm)1.6Width of oil groove
SA(mm)11.6Distance of oil groove
Connecting dimensions
da h12(mm)82Diameter of shaft shoulder
Da H12(mm)107Diameter of housing shoulder
ra max(mm)1.1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)38Dynamic load rating, radial
C0r(kN)22Static load rating, radial
Cur(kN)1.29Fatigue limit load, radial
nG Oil(min-1)32000Limit speed, oil lubrication
FV L(N)128Preload force, slight
FV M(N)338Preload force, medium
FV S(N)709Preload force, heavy
ca L(N/µm)71Axial rigidity, slight
ca M(N/µm)102Axial rigidity, medium
ca S(N/µm)137Axial rigidity, heavy
KaE L(N)373Lift-off force, slight
KaE M(N)1000Lift-off force, medium
KaE S(N)2170Lift-off force, heavy
Mass
kg0.625Mass