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NNU4972K.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)360Bore diameter
D(mm)480Outer diameter
W(mm)118Width
rs min(mm)3Minimal edge distance
F(mm)399Raceway diameter inner ring
H(mm)439Shoulder 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)396Diameter of shaft shoulder
Da H12(mm)449Diameter of housing shoulder
ra max(mm)3Maximal rounding radius

Performance data

Cr(kN)1130Dynamic load rating, radial
C0r(kN)2830Static load rating, radial
Cur(kN)238Fatigue limit load, radial
nG Grease(min-1)1500Limit speed, grease lubrication
nG Oil(min-1)1800Limit speed, oil lubrication

Mass

kg59.2Mass

CAD Data