Dimensions
d(mm)25Bore diameter
D(mm)42Outer diameter
W(mm)9Width
a(mm)9Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.15Minimal 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)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
Etk(mm)32.3Injection pitch circle
Performance data
Cr(kN)7.9Dynamic load rating, radial
C0r(kN)5Static load rating, radial
Cur(kN)0.26Fatigue limit load, radial
nG Grease(min-1)36000Limit speed, grease lubrication
nG Oil(min-1)56000Limit speed, oil lubrication
FV L(N)39Preload force, slight
FV M(N)140Preload force, medium
FV S(N)325Preload force, heavy
ca L(N/µm)27.1Axial rigidity, slight
ca M(N/µm)48.5Axial rigidity, medium
ca S(N/µm)75.5Axial rigidity, heavy
KaE L(N)117Lift-off force, slight
KaE M(N)480Lift-off force, medium
KaE S(N)1220Lift-off force, heavy
Mass
kg0.04Mass