Dimensions
d(mm)20Bore diameter
D(mm)47Outer diameter
W(mm)14Width
a(mm)12Span
rs min(mm)1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
Spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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)26.5Diameter of shaft shoulder
Da H12(mm)40.5Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)31.3Injection pitch circle
Performance data
Cr(kN)13Dynamic load rating, radial
C0r(kN)8Static load rating, radial
Cur(kN)0.417Fatigue limit load, radial
nG Grease(min-1)32000Limit speed, grease lubrication
nG Oil(min-1)48000Limit speed, oil lubrication
FV L(N)74Preload force, slight
FV M(N)250Preload force, medium
FV S(N)528Preload force, heavy
ca L(N/µm)27.6Axial rigidity, slight
ca M(N/µm)49.5Axial rigidity, medium
ca S(N/µm)73.2Axial rigidity, heavy
KaE L(N)230Lift-off force, slight
KaE M(N)855Lift-off force, medium
KaE S(N)1930Lift-off force, heavy
Mass
kg0.108Mass