Dimensions
d(mm)25Bore diameter
D(mm)47Outer diameter
W(mm)12Width
a(mm)11Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal 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)30Diameter of shaft shoulder
Da H12(mm)42Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)12.3Dynamic load rating, radial
C0r(kN)8.5Static load rating, radial
Cur(kN)0.443Fatigue limit load, radial
nG Grease(min-1)34000Limit speed, grease lubrication
FV L(N)74Preload force, slight
FV M(N)255Preload force, medium
FV S(N)534Preload force, heavy
ca L(N/µm)29.8Axial rigidity, slight
ca M(N/µm)51.9Axial rigidity, medium
ca S(N/µm)75.5Axial rigidity, heavy
KaE L(N)230Lift-off force, slight
KaE M(N)851Lift-off force, medium
KaE S(N)1920Lift-off force, heavy
Mass
kg0.084Mass