Dimensions
d(mm)280Bore diameter
D(mm)420Outer diameter
W(mm)106Width
rs min(mm)4Minimal edge distance
E(mm)384Raceway diameter outer ring
J(mm)332.8Shoulder diameter inner ring
s(mm)6.9Axial offset path
High-precision cylindrical roller bearings, double row, tapered bore, taper 1:12, floating bearing, three shoulders on inner ring, without shoulder on outer ring, diminished radial clearance, diminished tolerances, brass cage, 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".
Connecting dimensions
da h12(mm)320Diameter of shaft shoulder
Da H12(mm)392Diameter of housing shoulder
ra max(mm)4Maximal rounding radius
Performance data
Cr(kN)1090Dynamic load rating, radial
C0r(kN)2100Static load rating, radial
Cur(kN)183Fatigue limit load, radial
nG Grease(min-1)1800Limit speed, grease lubrication
nG Oil(min-1)2200Limit speed, oil lubrication
Mass
kg49.7Mass