Dimensions
d(mm)20Bore diameter
D(mm)42Outer diameter
W(mm)12Width
a(mm)10Span
rs min(mm)0.6Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, contactless sealed at both sides, cage made of laminated fabric, diminished tolerances, rings made of high-quality roller bearing steel, 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(°)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
Performance data
Cr(kN)6.2Dynamic load rating, radial
C0r(kN)2.4Static load rating, radial
Cur(kN)0.097Fatigue limit load, radial
nG Grease(min-1)67000Limit speed, grease lubrication
FV L(N)15Preload force, slight
FV M(N)45Preload force, medium
FV S(N)90Preload force, heavy
ca L(N/µm)19.5Axial rigidity, slight
ca M(N/µm)30Axial rigidity, medium
ca S(N/µm)41Axial rigidity, heavy
KaE L(N)45Lift-off force, slight
KaE M(N)138Lift-off force, medium
KaE S(N)284Lift-off force, heavy
Mass
kg0.077Mass