Dimensions
d(mm)55Bore diameter
D(mm)120Outer diameter
W(mm)29Width
a(mm)26Span
rs min(mm)2Minimal edge distance
r1s min(mm)2Minimal 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)65Diameter of shaft shoulder
Da H12(mm)110Diameter of housing shoulder
ra max(mm)2Maximal rounding radius
rb max(mm)2Maximal rounding radius
Etk(mm)82.4Injection pitch circle
Etk1(mm)78.3Injection pitch circle
Performance data
Cr(kN)74.3Dynamic load rating, radial
C0r(kN)63.9Static load rating, radial
Cur(kN)3.68Fatigue limit load, radial
nG Grease(min-1)15000Limit speed, grease lubrication
nG Oil(min-1)24500Limit speed, oil lubrication
FV L(N)370Preload force, slight
FV M(N)740Preload force, medium
FV S(N)1490Preload force, heavy
ca L(N/µm)85Axial rigidity, slight
ca M(N/µm)120Axial rigidity, medium
ca S(N/µm)170Axial rigidity, heavy
KaE L(N)1180Lift-off force, slight
KaE M(N)2490Lift-off force, medium
KaE S(N)5370Lift-off force, heavy
Mass
kg1.36Mass