Dimensions
d(mm)50Bore diameter
D(mm)90Outer diameter
W(mm)20Width
a(mm)26Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)0.6Minimal 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)57Diameter of shaft shoulder
Da H12(mm)83Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)65.9Injection pitch circle
Performance data
Cr(kN)40.8Dynamic load rating, radial
C0r(kN)28Static load rating, radial
Cur(kN)1.46Fatigue limit load, radial
nG Grease(min-1)14000Limit speed, grease lubrication
nG Oil(min-1)22000Limit speed, oil lubrication
FV L(N)350Preload force, slight
FV M(N)1220Preload force, medium
FV S(N)2580Preload force, heavy
ca L(N/µm)138Axial rigidity, slight
ca M(N/µm)222Axial rigidity, medium
ca S(N/µm)305Axial rigidity, heavy
KaE L(N)1040Lift-off force, slight
KaE M(N)3750Lift-off force, medium
KaE S(N)8180Lift-off force, heavy
Mass
kg0.459Mass