Dimensions
d(mm)75Bore diameter
D(mm)115Outer diameter
W(mm)20Width
a(mm)32Span
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)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)36.4Dynamic load rating, radial
C0r(kN)21Static load rating, radial
Cur(kN)1.24Fatigue limit load, radial
nG Oil(min-1)30000Limit speed, oil lubrication
FV L(N)184Preload force, slight
FV M(N)483Preload force, medium
FV S(N)1003Preload force, heavy
ca L(N/µm)144Axial rigidity, slight
ca M(N/µm)202Axial rigidity, medium
ca S(N/µm)263Axial rigidity, heavy
KaE L(N)528Lift-off force, slight
KaE M(N)1390Lift-off force, medium
KaE S(N)2940Lift-off force, heavy
Mass
kg0.625Mass