Dimensions
d(mm)25Bore diameter
D(mm)42Outer diameter
W(mm)9Width
a(mm)12Span
rs min(mm)0.3Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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)29Diameter of shaft shoulder
Da H12(mm)38.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
Etk(mm)32.5Injection pitch circle
Etk1(mm)31.9Injection pitch circle
Performance data
Cr(kN)3.9Dynamic load rating, radial
C0r(kN)2Static load rating, radial
Cur(kN)0.099Fatigue limit load, radial
nG Grease(min-1)43000Limit speed, grease lubrication
nG Oil(min-1)67000Limit speed, oil lubrication
FV L(N)23Preload force, slight
FV M(N)69Preload force, medium
FV S(N)138Preload force, heavy
ca L(N/µm)42Axial rigidity, slight
ca M(N/µm)63Axial rigidity, medium
ca S(N/µm)82.5Axial rigidity, heavy
KaE L(N)66Lift-off force, slight
KaE M(N)203Lift-off force, medium
KaE S(N)416Lift-off force, heavy
Mass
kg0.05Mass