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
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)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)250Static load rating, radial
Cur(kN)8.08Fatigue limit load, radial
nG Grease(min-1)4300Limit speed, grease lubrication
nG Oil(min-1)6700Limit speed, oil lubrication
FV L(N)1190Preload force, slight
FV M(N)3940Preload force, medium
FV S(N)8140Preload force, heavy
ca L(N/µm)197Axial rigidity, slight
ca M(N/µm)332Axial rigidity, medium
ca S(N/µm)475Axial rigidity, heavy
KaE L(N)3640Lift-off force, slight
KaE M(N)12900Lift-off force, medium
KaE S(N)28400Lift-off force, heavy
Mass
kg6.57Mass