Dimensions
d(mm)140Bore diameter
D(mm)250Outer diameter
W(mm)42Width
a(mm)66Span
rs min(mm)3Minimal edge distance
r1s min(mm)3Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, cage made of laminated fabric, diminished tolerances, rings made of high-quality roller bearing steel, rolling elements made of silicon nitride
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)163Diameter of shaft shoulder
Da H12(mm)226.5Diameter of housing shoulder
ra max(mm)2.5Maximal rounding radius
rb max(mm)2.5Maximal rounding radius
Etk(mm)185.5Injection pitch circle
Performance data
Cr(kN)211Dynamic load rating, radial
C0r(kN)217Static load rating, radial
Cur(kN)6.17Fatigue limit load, radial
nG Grease(min-1)5300Limit speed, grease lubrication
nG Oil(min-1)8000Limit speed, oil lubrication
FV L(N)1130Preload force, slight
FV M(N)3800Preload force, medium
FV S(N)7910Preload force, heavy
ca L(N/µm)340Axial rigidity, slight
ca M(N/µm)522.6Axial rigidity, medium
ca S(N/µm)690Axial rigidity, heavy
KaE L(N)3330Lift-off force, slight
KaE M(N)11400Lift-off force, medium
KaE S(N)24200Lift-off force, heavy
Mass
kg6.67Mass