Dimensions
d(mm)25Bore diameter
D(mm)47Outer diameter
W(mm)12Width
a(mm)11Span
rs min(mm)0.6Minimal edge distance
r1s min(mm)0.3Minimal edge distance
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 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
DLR dimension
NB(mm)1.5Groove width
NA(mm)2.2Groove distance
SB(mm)1.4Width of oil groove
SA(mm)6.6Distance of oil groove
Connecting dimensions
da h12(mm)30Diameter of shaft shoulder
Da H12(mm)42Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
rb max(mm)0.3Maximal rounding radius
Performance data
Cr(kN)12.3Dynamic load rating, radial
C0r(kN)7.8Static load rating, radial
Cur(kN)0.31Fatigue limit load, radial
nG Oil(min-1)70000Limit speed, oil lubrication
FV L(N)33Preload force, slight
FV M(N)131Preload force, medium
FV S(N)280Preload force, heavy
ca L(N/µm)24.5Axial rigidity, slight
ca M(N/µm)42.5Axial rigidity, medium
ca S(N/µm)60.5Axial rigidity, heavy
KaE L(N)103Lift-off force, slight
KaE M(N)415Lift-off force, medium
KaE S(N)950Lift-off force, heavy
Mass
kg0.073Mass