Dimensions
d(mm)20Bore diameter
D(mm)37Outer diameter
W(mm)9Width
a(mm)8Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.15Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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(°)15Contact angle
Connecting dimensions
da h12(mm)22Diameter of shaft shoulder
Da H12(mm)33.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Etk(mm)27.3Injection pitch circle
Performance data
Cr(kN)7.3Dynamic load rating, radial
C0r(kN)4.1Static load rating, radial
Cur(kN)0.163Fatigue limit load, radial
nG Grease(min-1)60000Limit speed, grease lubrication
nG Oil(min-1)90000Limit speed, oil lubrication
FV L(N)13Preload force, slight
FV M(N)59Preload force, medium
FV S(N)130Preload force, heavy
ca L(N/µm)16.9Axial rigidity, slight
ca M(N/µm)32Axial rigidity, medium
ca S(N/µm)47.3Axial rigidity, heavy
KaE L(N)39Lift-off force, slight
KaE M(N)190Lift-off force, medium
KaE S(N)457Lift-off force, heavy
Mass
kg0.03Mass