Dimensions
d(mm)20Bore diameter
D(mm)42Outer diameter
W(mm)12Width
a(mm)10Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal 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)25Diameter of shaft shoulder
Da H12(mm)37Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Etk(mm)29.1Injection pitch circle
Performance data
Cr(kN)11.1Dynamic load rating, radial
C0r(kN)7Static load rating, radial
Cur(kN)0.352Fatigue limit load, radial
nG Grease(min-1)38000Limit speed, grease lubrication
nG Oil(min-1)60000Limit speed, oil lubrication
FV L(N)52Preload force, slight
FV M(N)180Preload force, medium
FV S(N)378Preload force, heavy
ca L(N/µm)22.7Axial rigidity, slight
ca M(N/µm)40Axial rigidity, medium
ca S(N/µm)58.9Axial rigidity, heavy
KaE L(N)160Lift-off force, slight
KaE M(N)600Lift-off force, medium
KaE S(N)1370Lift-off force, heavy
Mass
kg0.069Mass