Dimensions
d(mm)280Bore diameter
D(mm)380Outer diameter
W(mm)46Width
a(mm)100Span
rs min(mm)2.1Minimal edge distance
r1s min(mm)1.5Minimal 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)298Diameter of shaft shoulder
Da H12(mm)362Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)320.5Injection pitch circle
Performance data
Cr(kN)280Dynamic load rating, radial
C0r(kN)365Static load rating, radial
Cur(kN)10.5Fatigue limit load, radial
nG Grease(min-1)3000Limit speed, grease lubrication
nG Oil(min-1)4500Limit speed, oil lubrication
FV L(N)2460Preload force, slight
FV M(N)8530Preload force, medium
FV S(N)17850Preload force, heavy
ca L(N/µm)560Axial rigidity, slight
ca M(N/µm)890Axial rigidity, medium
ca S(N/µm)1190Axial rigidity, heavy
KaE L(N)7170Lift-off force, slight
KaE M(N)25500Lift-off force, medium
KaE S(N)54800Lift-off force, heavy
Mass
kg12.9Mass