NNU4948K.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)240Bore diameter
D(mm)320Outer diameter
W(mm)80Width
rs min(mm)2.1Minimal edge distance
F(mm)265Raceway diameter inner ring
H(mm)292.2Shoulder diameter outer ring
ns(mm)12.2Width lubrication groove
ds(mm)6.3Lubrication hole diameter
s(mm)4.3Axial offset path

Connecting dimensions

da h12(mm)263Diameter of shaft shoulder
Da H12(mm)299Diameter of housing shoulder
ra max(mm)2.1Maximal rounding radius

Performance data

Cr(kN)525Dynamic load rating, radial
C0r(kN)1210Static load rating, radial
Cur(kN)115Fatigue limit load, radial
nG Grease(min-1)2200Limit speed, grease lubrication
nG Oil(min-1)2800Limit speed, oil lubrication

Mass

kg16.8Mass

CAD Data