NNC 4980 CV BEARING | double row full complement bearing
Double Row Full ComplementCylindrical Roller Bearings NNC 4980 CV BEARING
Heavyradial loads, limitedspace, relatively low speeds and, where possible, oillubrication are excellentconditions for BORI full complement cylindrical roller bearings NNC 4980 CV andwhere they have proven their exceptional value.
The basic BORi assortmentof double rowfull complement cylindrical roller bearings includes NNCL, NNCFand NNC opendesign bearings, as well as sealed NNF design bearings.
NNC 4980 CV bearings arenon-separable and have anannular groove and three lubrication holes in theouter ring.
NNC 4980 CV Bearing data / Pramater
Dimension standards:Boundary dimensions:ISO 15
Tolerances: Normaldimensional accuracy, P6running accuracy
Radial internal clearance:Normal, C3
NNC 4980 CV BearingApplications
Used for cement industry,rolling mills, crane,cement rotary kiln, oil field, heavy industrials.
NNC 4980 CV Bearing Designation System
Prefix
L Separete inner or outerring of aseparable bearing
R Inner or outer ring withroller and cageassembly of a separable bearing
HJ: Angle ring
Suffixes
EC Optimized internaldesign incorporatingmore and /or larger rollers and with modified rollerend/flange contact
CV Modified internaldesign, fullcomplement roller set
ADA Modified snap ringgrooves in the outerring; two-piece inner ring held together by a retainingring (for bearings inthe NNF 50 series)
ADB ADA + modifiedinternal design
DA Modified snap ringgrooves in the outerring; two-piece inner ring held together by a retainingring (for bearings inthe 3194…series)
K Tapered bore, taper 1:12
N Snap ring groove in theouter ring
NR Snap ring groove in theouter ring, withappropriate snap ring
N1 One locating slot(notch) in one outerring side face
N2 Two locating slots(notches) in oneouter ring side face, 180°apart
-2LS Contact seal, on bothsides
J, JA, JB Stamped steelcage
M, MA,MB,MH, ML,MP, MRMachined brass cage
P, PA, PH, PHA, Glassfibre reinforced PA66cage
V, VH Full complement ofrollers
VA301 Bearing for railwayvehicle tractionmotors
VA305 VA301 + specialinspection routines
VA350, VA380 Bearing forrailway axleboxes
VA3091 VA301 + externalsurfaces of theouter ring are coated with aluminium oxide
VC025 , VQ015
S1 Bearing rings heatstabilized foroperating temperatures <= 200°C
S2 Bearing rings heatstabilized foroperating temperatures <= 250°C
DR Two bearings matched toone set
TR Three bearings matchedto one set
QR Four bearings matchedto one set
CN Normal radial internalclearance
C2, C3, C4, C5 Radialinternal clearancegreater than former in proper order
HA1, HA3, HB1, HN1, L4B,L5B, L7B
There are large stock of NNC4980 CV bearing in Bori's warehouse with competitive prices. Waiting forpurchase orders from worldwide bearing importers, distributors and end-users..
