Dimensions
d(mm)30Bore diameter
D(mm)55Outer diameter
W(mm)13Width
a(mm)12Span
rs min(mm)1Minimal edge distance
High-speed hybrid 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)36Diameter of shaft shoulder
Da H12(mm)49Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Etk(mm)40.9Injection pitch circle
Etk1(mm)40.1Injection pitch circle
Performance data
Cr(kN)8.8Dynamic load rating, radial
C0r(kN)4.3Static load rating, radial
Cur(kN)0.215Fatigue limit load, radial
nG Grease(min-1)38000Limit speed, grease lubrication
nG Oil(min-1)56000Limit speed, oil lubrication
FV L(N)29Preload force, slight
FV M(N)87Preload force, medium
FV S(N)174Preload force, heavy
ca L(N/µm)24.3Axial rigidity, slight
ca M(N/µm)38.8Axial rigidity, medium
ca S(N/µm)53.5Axial rigidity, heavy
KaE L(N)87Lift-off force, slight
KaE M(N)280Lift-off force, medium
KaE S(N)589Lift-off force, heavy
Mass
kg0.13Mass