Dimensions
d(mm)25Bore diameter
D(mm)37Outer diameter
W(mm)7Width
a(mm)11Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.1Minimal edge distance
Spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact angle
Connecting dimensions
da h12(mm)28Diameter of shaft shoulder
Da H12(mm)34Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Etk(mm)30Injection pitch circle
Performance data
Cr(kN)3.9Dynamic load rating, radial
C0r(kN)3Static load rating, radial
Cur(kN)0.096Fatigue limit load, radial
nG Grease(min-1)32000Limit speed, grease lubrication
nG Oil(min-1)48000Limit speed, oil lubrication
FV L(N)17Preload force, slight
FV M(N)70Preload force, medium
FV S(N)179Preload force, heavy
ca L(N/µm)41.1Axial rigidity, slight
ca M(N/µm)68.7Axial rigidity, medium
ca S(N/µm)100Axial rigidity, heavy
KaE L(N)50Lift-off force, slight
KaE M(N)211Lift-off force, medium
KaE S(N)555Lift-off force, heavy
Mass
kg0.021Mass