Dimensions
d(mm)55Bore diameter
D(mm)120Outer diameter
W(mm)29Width
a(mm)35Span
rs min(mm)2Minimal edge distance
r1s min(mm)2Minimal 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)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)71Dynamic load rating, radial
C0r(kN)61.3Static load rating, radial
Cur(kN)3.53Fatigue limit load, radial
nG Grease(min-1)14000Limit speed, grease lubrication
nG Oil(min-1)22000Limit speed, oil lubrication
FV L(N)630Preload force, slight
FV M(N)1260Preload force, medium
FV S(N)2520Preload force, heavy
ca L(N/µm)200Axial rigidity, slight
ca M(N/µm)260Axial rigidity, medium
ca S(N/µm)340Axial rigidity, heavy
KaE L(N)1860Lift-off force, slight
KaE M(N)3820Lift-off force, medium
KaE S(N)7890Lift-off force, heavy
Mass
kg1.36Mass