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°, 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)36Diameter of shaft shoulder
Da H12(mm)49Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Performance data
Cr(kN)8.8Dynamic load rating, radial
C0r(kN)3.9Static load rating, radial
Cur(kN)0.155Fatigue limit load, radial
nG Grease(min-1)48000Limit speed, grease lubrication
FV L(N)20Preload force, slight
FV M(N)60Preload force, medium
FV S(N)120Preload force, heavy
ca L(N/µm)24Axial rigidity, slight
ca M(N/µm)37Axial rigidity, medium
ca S(N/µm)50Axial rigidity, heavy
KaE L(N)60Lift-off force, slight
KaE M(N)190Lift-off force, medium
KaE S(N)397Lift-off force, heavy
Mass
kg0.125Mass