Dimensions
d(mm)55Bore diameter
D(mm)80Outer diameter
W(mm)13Width
a(mm)22Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal edge distance
Hybrid spindle bearing,adjusted, in pairs or sets, contact angle 25°, one grease/ lubrication groove with two grease/ lubrication bores, two circular grooves with O rings, cage made of laminated fabric, diminished tolerances, rings made of Cronidur® 30, 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(°)25Contact angle
Connecting dimensions
da h12(mm)60Diameter of shaft shoulder
Da H12(mm)75.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Etk(mm)65.1Injection pitch circle
Performance data
Cr(kN)34.8Dynamic load rating, radial
C0r(kN)16.1Static load rating, radial
Cur(kN)1.51Fatigue limit load, radial
nG Grease(min-1)24000Limit speed, grease lubrication
nG Oil(min-1)36000Limit speed, oil lubrication
FV L(N)58Preload force, slight
FV M(N)296Preload force, medium
FV S(N)692Preload force, heavy
ca L(N/µm)94Axial rigidity, slight
ca M(N/µm)169Axial rigidity, medium
ca S(N/µm)233Axial rigidity, heavy
KaE L(N)170Lift-off force, slight
KaE M(N)890Lift-off force, medium
KaE S(N)2120Lift-off force, heavy
Mass
kg0.151Mass