NU420M1

single row

Technical data

*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".

d(mm)100Bore diameter

D(mm)250Outer diameter

W(mm)58Width

r_{s min}(mm)4Minimal edge distance

r_{1s min}(mm)4Minimal edge distance

E(mm)211Raceway diameter outer ring

F(mm)139Raceway diameter inner ring

H(mm)198.2Shoulder diameter outer ring

s(mm)5.7Axial offset path

d_{a min}(mm)120Minimal diameter of shaft shoulder

d_{a max}(mm)137Maximal diameter of shaft shoulder

d_{b min}(mm)141Minimal diameter shaft step (offset)

D_{a max}(mm)230Maximal diameter of housing shoulder

r_{a max}(mm)3Maximal rounding radius

r_{b max}(mm)3Maximal rounding radius

C_r(kN)440Dynamic load rating, radial

C_0r(kN)490Static load rating, radial

C_ur(kN)77.2Fatigue limit load, radial

n_G(min^-1)3000Limit speed

n_B(min^-1)2900Reference speed

kg15.5Mass