Dimensions
d(mm)55Bore diameter
D(mm)80Outer diameter
W(mm)13Width
a(mm)22Span
rs min(mm)0.6Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, cage made of laminated fabric, diminished tolerances, rings and rolling elements made of high-quality roller bearing steel
Technical data
*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".
Contact angle
α(°)25Contact angle
Connecting dimensions
da h12(mm)60Diameter of shaft shoulder
Da H12(mm)75.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
Etk(mm)65.5Injection pitch circle
Etk1(mm)64.5Injection pitch circle
Performance data
Cr(kN)12.5Dynamic load rating, radial
C0r(kN)8.1Static load rating, radial
Cur(kN)0.41Fatigue limit load, radial
nG Grease(min-1)22000Limit speed, grease lubrication
nG Oil(min-1)32000Limit speed, oil lubrication
FV L(N)75Preload force, slight
FV M(N)225Preload force, medium
FV S(N)450Preload force, heavy
ca L(N/µm)94Axial rigidity, slight
ca M(N/µm)140Axial rigidity, medium
ca S(N/µm)183Axial rigidity, heavy
KaE L(N)215Lift-off force, slight
KaE M(N)659Lift-off force, medium
KaE S(N)1349Lift-off force, heavy
Mass
kg0.2Mass