NU228E.M1A

Cylindrical roller bearing, single row, floating bearing, two shoulders on outer ring, without shoulder on inner ring, brass cage guided on outer shoulder, rings and rolling elements made of high-quality roller bearing steel

Overview

Technical data

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

Dimensions

d(mm)140Bore diameter

D(mm)250Outer diameter

W(mm)42Width

r_{s min}(mm)3Minimal edge distance

r_{1s min}(mm)3Minimal edge distance

E(mm)225Raceway diameter outer ring

F(mm)169Raceway diameter inner ring

H(mm)216.7Shoulder diameter outer ring

s(mm)2Axial offset path

Connecting dimensions

d_{a min}(mm)154Minimal diameter of shaft shoulder

d_{a max}(mm)166Maximal diameter of shaft shoulder

d_{b min}(mm)171Minimal diameter shaft step (offset)

D_{a max}(mm)236Maximal diameter of housing shoulder

r_{a max}(mm)2.5Maximal rounding radius

r_{b max}(mm)2.5Maximal rounding radius

Performance data

C_r(kN)388Dynamic load rating, radial

C_0r(kN)508Static load rating, radial

C_ur(kN)52Fatigue limit load, radial

n_G(min^-1)4200Limit speed

n_B(min^-1)2600Reference speed

Mass

kg9.5Mass

NU228E.M1A

Technical data

Dimensions

Connecting dimensions

Performance data

Mass

CAD Data

Contact

Applications

Rolling bearings

Spindle units

Services