Dimensions
d(mm)220Bore diameter
D(mm)270Outer diameter
W(mm)24Width
a(mm)69Span
rs min(mm)1.5Minimal edge distance
r1s min(mm)0.6Minimal edge distance
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)231Diameter of shaft shoulder
Da H12(mm)259Diameter of housing shoulder
ra max(mm)1.5Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)240.7Injection pitch circle
Performance data
Cr(kN)76.8Dynamic load rating, radial
C0r(kN)110Static load rating, radial
Cur(kN)3.77Fatigue limit load, radial
nG Grease(min-1)3400Limit speed, grease lubrication
nG Oil(min-1)5000Limit speed, oil lubrication
FV L(N)425Preload force, slight
FV M(N)1920Preload force, medium
FV S(N)4320Preload force, heavy
ca L(N/µm)297Axial rigidity, slight
ca M(N/µm)520Axial rigidity, medium
ca S(N/µm)720Axial rigidity, heavy
KaE L(N)1230Lift-off force, slight
KaE M(N)5730Lift-off force, medium
KaE S(N)13300Lift-off force, heavy
Mass
kg2.48Mass