Dimensions
d(mm)30Bore diameter
D(mm)55Outer diameter
W(mm)13Width
a(mm)12Span
rs min(mm)1Minimal edge distance
High-speed spindle bearings, 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 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
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)8.8Dynamic load rating, radial
C0r(kN)4.3Static load rating, radial
Cur(kN)0.215Fatigue limit load, radial
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