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°, one grease/ lubrication groove with two grease/ lubrication bores, two circular grooves with O rings, cage made of laminated fabric, diminished tolerances, rings made of Cronidur® 30, 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
DLR dimension
NB(mm)1.5Groove width
NA(mm)2.8Groove distance
SB(mm)1.4Width of oil groove
SA(mm)7.2Distance of oil groove
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)14.1Dynamic load rating, radial
C0r(kN)3.9Static load rating, radial
Cur(kN)0.367Fatigue limit load, radial
nG Oil(min-1)80000Limit speed, oil 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