Dimensions
d(mm)25Bore diameter
D(mm)52Outer diameter
W(mm)15Width
a(mm)17Span
rs min(mm)1Minimal edge distance
r1s min(mm)0.6Minimal 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)31.5Diameter of shaft shoulder
Da H12(mm)45.5Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)15.9Dynamic load rating, radial
C0r(kN)9Static load rating, radial
Cur(kN)0.471Fatigue limit load, radial
nG Grease(min-1)26000Limit speed, grease lubrication
FV L(N)113Preload force, slight
FV M(N)420Preload force, medium
FV S(N)900Preload force, heavy
ca L(N/µm)68.9Axial rigidity, slight
ca M(N/µm)144Axial rigidity, medium
ca S(N/µm)158Axial rigidity, heavy
KaE L(N)325Lift-off force, slight
KaE M(N)1260Lift-off force, medium
KaE S(N)2820Lift-off force, heavy
Mass
kg0.133Mass