Dimensions
d(mm)25Bore diameter
D(mm)42Outer diameter
W(mm)9Width
a(mm)12Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.15Minimal 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)27Diameter of shaft shoulder
Da H12(mm)38.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Performance data
Cr(kN)7.4Dynamic load rating, radial
C0r(kN)4.6Static load rating, radial
Cur(kN)0.241Fatigue limit load, radial
nG Grease(min-1)32000Limit speed, grease lubrication
FV L(N)41Preload force, slight
FV M(N)188Preload force, medium
FV S(N)429Preload force, heavy
ca L(N/µm)54.4Axial rigidity, slight
ca M(N/µm)98Axial rigidity, medium
ca S(N/µm)137.8Axial rigidity, heavy
KaE L(N)125Lift-off force, slight
KaE M(N)575Lift-off force, medium
KaE S(N)1350Lift-off force, heavy
Mass
kg0.04Mass