Dimensions
d(mm)50Bore diameter
D(mm)80Outer diameter
W(mm)16Width
a(mm)17Span
rs min(mm)1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, contactless sealed at both sides, greased/ lubricated, 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(°)15Contact angle
Connecting dimensions
da h12(mm)56Diameter of shaft shoulder
Da H12(mm)74Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)13.2Dynamic load rating, radial
C0r(kN)8.2Static load rating, radial
Cur(kN)0.426Fatigue limit load, radial
nG Grease(min-1)24000Limit speed, grease lubrication
FV L(N)46Preload force, slight
FV M(N)138Preload force, medium
FV S(N)276Preload force, heavy
ca L(N/µm)37Axial rigidity, slight
ca M(N/µm)58Axial rigidity, medium
ca S(N/µm)79.5Axial rigidity, heavy
KaE L(N)137Lift-off force, slight
KaE M(N)430Lift-off force, medium
KaE S(N)900Lift-off force, heavy
Mass
kg0.29Mass