NNU4956K.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)280Bore diameter
D(mm)380Outer diameter
W(mm)100Width
rs min(mm)2.1Minimal edge distance
F(mm)312Raceway diameter inner ring
H(mm)345.6Shoulder diameter outer ring
ns(mm)15Width lubrication groove
ds(mm)8Lubrication hole diameter
s(mm)5.4Axial offset path

Connecting dimensions

da h12(mm)309Diameter of shaft shoulder
Da H12(mm)354Diameter of housing shoulder
ra max(mm)2.1Maximal rounding radius

Performance data

Cr(kN)771Dynamic load rating, radial
C0r(kN)1800Static load rating, radial
Cur(kN)162Fatigue limit load, radial
nG Grease(min-1)1900Limit speed, grease lubrication
nG Oil(min-1)2400Limit speed, oil lubrication

Mass

kg31.2Mass

CAD Data