Dimensions
d(mm)20Bore diameter
D(mm)37Outer diameter
W(mm)9Width
a(mm)8Span
rs min(mm)0.3Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, contactless sealed at both sides, greased/ lubricated, 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)24Diameter of shaft shoulder
Da H12(mm)33.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)3.9Dynamic load rating, radial
C0r(kN)1.7Static load rating, radial
Cur(kN)0.087Fatigue limit load, radial
nG Grease(min-1)56000Limit speed, grease lubrication
FV L(N)13Preload force, slight
FV M(N)39Preload force, medium
FV S(N)79Preload force, heavy
ca L(N/µm)15Axial rigidity, slight
ca M(N/µm)23.5Axial rigidity, medium
ca S(N/µm)32.7Axial rigidity, heavy
KaE L(N)39Lift-off force, slight
KaE M(N)124Lift-off force, medium
KaE S(N)262Lift-off force, heavy
Mass
kg0.04Mass