Dimensions
d(mm)40Bore diameter
D(mm)52Outer diameter
W(mm)7Width
a(mm)14Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.1Minimal 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)43Diameter of shaft shoulder
Da H12(mm)26Diameter of housing shoulder
ra max(mm)-0.9Maximal rounding radius
rb max(mm)-0.9Maximal rounding radius
Etk(mm)45Injection pitch circle
Performance data
Cr(kN)4.5Dynamic load rating, radial
C0r(kN)4.2Static load rating, radial
Cur(kN)0.193Fatigue limit load, radial
nG Grease(min-1)22000Limit speed, grease lubrication
nG Oil(min-1)36000Limit speed, oil lubrication
FV L(N)18Preload force, slight
FV M(N)73Preload force, medium
FV S(N)195Preload force, heavy
ca L(N/µm)50.5Axial rigidity, slight
ca M(N/µm)88Axial rigidity, medium
ca S(N/µm)130Axial rigidity, heavy
KaE L(N)52Lift-off force, slight
KaE M(N)221Lift-off force, medium
KaE S(N)602Lift-off force, heavy
Mass
kg0.031Mass