Dimensions
d(mm)25Bore diameter
D(mm)47Outer diameter
W(mm)12Width
a(mm)14Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal edge distance
Spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact 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)11.7Dynamic load rating, radial
C0r(kN)7.9Static load rating, radial
Cur(kN)0.414Fatigue limit load, radial
nG Grease(min-1)30000Limit speed, grease lubrication
FV L(N)100Preload force, slight
FV M(N)382Preload force, medium
FV S(N)830Preload force, heavy
ca L(N/µm)67.7Axial rigidity, slight
ca M(N/µm)112Axial rigidity, medium
ca S(N/µm)153.5Axial rigidity, heavy
KaE L(N)295Lift-off force, slight
KaE M(N)1160Lift-off force, medium
KaE S(N)2580Lift-off force, heavy
Mass
kg0.084Mass