NNU4960K.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)300Bore diameter
D(mm)420Outer diameter
W(mm)118Width
rs min(mm)3Minimal edge distance
F(mm)339Raceway diameter inner ring
H(mm)379Shoulder 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)336Diameter of shaft shoulder
Da H12(mm)389Diameter of housing shoulder
ra max(mm)3Maximal rounding radius

Performance data

Cr(kN)1040Dynamic load rating, radial
C0r(kN)2390Static load rating, radial
Cur(kN)210Fatigue limit load, radial
nG Grease(min-1)1700Limit speed, grease lubrication
nG Oil(min-1)2000Limit speed, oil lubrication

Mass

kg48.7Mass

CAD Data