Dimensions
d(mm)25Bore diameter
D(mm)52Outer diameter
W(mm)15Width
a(mm)13Span
rs min(mm)1Minimal edge distance
r1s min(mm)0.6Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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)31.5Diameter of shaft shoulder
Da H12(mm)45.5Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)0.6Maximal rounding radius
Etk(mm)36.3Injection pitch circle
Performance data
Cr(kN)16.6Dynamic load rating, radial
C0r(kN)8.7Static load rating, radial
Cur(kN)0.344Fatigue limit load, radial
nG Grease(min-1)36000Limit speed, grease lubrication
nG Oil(min-1)53000Limit speed, oil lubrication
FV L(N)46Preload force, slight
FV M(N)171Preload force, medium
FV S(N)366Preload force, heavy
ca L(N/µm)27.4Axial rigidity, slight
ca M(N/µm)47.7Axial rigidity, medium
ca S(N/µm)69.1Axial rigidity, heavy
KaE L(N)142Lift-off force, slight
KaE M(N)560Lift-off force, medium
KaE S(N)1275Lift-off force, heavy
Mass
kg0.122Mass