NNU4938K.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

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)190Bore diameter
D(mm)260Outer diameter
W(mm)69Width
rs min(mm)2Minimal edge distance
F(mm)212Raceway diameter inner ring
H(mm)236Shoulder diameter outer ring
ns(mm)9.5Width lubrication groove
ds(mm)4.8Lubrication hole diameter
s(mm)3.2Axial offset path

Connecting dimensions

da h12(mm)210Diameter of shaft shoulder
Da H12(mm)242Diameter of housing shoulder
ra max(mm)2Maximal rounding radius

Performance data

Cr(kN)408Dynamic load rating, radial
C0r(kN)888Static load rating, radial
Cur(kN)89.9Fatigue limit load, radial
nG Grease(min-1)2800Limit speed, grease lubrication
nG Oil(min-1)3400Limit speed, oil lubrication

Mass

kg10.2Mass

CAD Data