Dimensions
d(mm)50Bore diameter
D(mm)80Outer diameter
W(mm)16Width
a(mm)23Span
rs min(mm)1Minimal 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)56Diameter of shaft shoulder
Da H12(mm)74Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Etk(mm)63.2Injection pitch circle
Etk1(mm)62.2Injection pitch circle
Performance data
Cr(kN)12.6Dynamic load rating, radial
C0r(kN)7.7Static load rating, radial
Cur(kN)0.403Fatigue limit load, radial
nG Grease(min-1)22000Limit speed, grease lubrication
nG Oil(min-1)34000Limit speed, oil lubrication
FV L(N)74Preload force, slight
FV M(N)222Preload force, medium
FV S(N)444Preload force, heavy
ca L(N/µm)91Axial rigidity, slight
ca M(N/µm)136Axial rigidity, medium
ca S(N/µm)178Axial rigidity, heavy
KaE L(N)212Lift-off force, slight
KaE M(N)650Lift-off force, medium
KaE S(N)1330Lift-off force, heavy
Mass
kg0.29Mass