Dimensions
d(mm)50Bore diameter
D(mm)90Outer diameter
W(mm)20Width
a(mm)19Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
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)57Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)42.8Dynamic load rating, radial
C0r(kN)29.3Static load rating, radial
Cur(kN)1.53Fatigue limit load, radial
nG Grease(min-1)16000Limit speed, grease lubrication
FV L(N)242Preload force, slight
FV M(N)790Preload force, medium
FV S(N)1630Preload force, heavy
ca L(N/µm)60Axial rigidity, slight
ca M(N/µm)105Axial rigidity, medium
ca S(N/µm)153Axial rigidity, heavy
KaE L(N)760Lift-off force, slight
KaE M(N)2700Lift-off force, medium
KaE S(N)6000Lift-off force, heavy
Mass
kg0.459Mass