Dimensions
d(mm)45Bore diameter
D(mm)68Outer diameter
W(mm)12Width
a(mm)14Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.15Minimal 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)50Diameter of shaft shoulder
Da H12(mm)63.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Performance data
Cr(kN)18.5Dynamic load rating, radial
C0r(kN)14.7Static load rating, radial
Cur(kN)0.766Fatigue limit load, radial
nG Grease(min-1)20000Limit speed, grease lubrication
FV L(N)89Preload force, slight
FV M(N)316Preload force, medium
FV S(N)666Preload force, heavy
ca L(N/µm)44.2Axial rigidity, slight
ca M(N/µm)79Axial rigidity, medium
ca S(N/µm)116Axial rigidity, heavy
KaE L(N)276Lift-off force, slight
KaE M(N)1060Lift-off force, medium
KaE S(N)2420Lift-off force, heavy
Mass
kg0.126Mass