Dimensions
d(mm)220Bore diameter
D(mm)300Outer diameter
W(mm)38Width
a(mm)54Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)1.5Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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(°)15Contact angle
Connecting dimensions
da h12(mm)234Diameter of shaft shoulder
Da H12(mm)286Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)252.4Injection pitch circle
Performance data
Cr(kN)215Dynamic load rating, radial
C0r(kN)230Static load rating, radial
Cur(kN)5.66Fatigue limit load, radial
nG Grease(min-1)6000Limit speed, grease lubrication
nG Oil(min-1)9000Limit speed, oil lubrication
FV L(N)620Preload force, slight
FV M(N)2180Preload force, medium
FV S(N)4600Preload force, heavy
ca L(N/µm)172.2Axial rigidity, slight
ca M(N/µm)285Axial rigidity, medium
ca S(N/µm)398Axial rigidity, heavy
KaE L(N)1860Lift-off force, slight
KaE M(N)6880Lift-off force, medium
KaE S(N)15200Lift-off force, heavy
Mass
kg5.46Mass