NNU4964K.S.M.HP

High-precision cylindrical roller bearings, double row, tapered bore,taper 1:12, floating bearing, three shoulders on outer ring, without shoulder on inner ring, with grease/ lubrication groove and grease/ lubrication bores on outer ring, diminished radial clearance, diminished tolerances, brass cage, 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".

SLF Fraureuth - HG Zyl N NNU49
SLF Fraureuth - HG Zyl NNU49 Anschlussmaße

Dimensions

d(mm)320Bore diameter
D(mm)440Outer diameter
W(mm)118Width
rs min(mm)3Minimal edge distance
F(mm)359Raceway diameter inner ring
H(mm)399Shoulder diameter outer ring
ns(mm)17.7Width lubrication groove
ds(mm)9.5Lubrication hole diameter
s(mm)6.3Axial offset path

Connecting dimensions

da h12(mm)356Diameter of shaft shoulder
Da H12(mm)409Diameter of housing shoulder
ra max(mm)3Maximal rounding radius

Performance data

Cr(kN)1070Dynamic load rating, radial
C0r(kN)2540Static load rating, radial
Cur(kN)219Fatigue limit load, radial
nG Grease(min-1)1600Limit speed, grease lubrication
nG Oil(min-1)1900Limit speed, oil lubrication

Mass

kg51Mass

CAD Data