SIFT BEARING STORE CATALOG

32980NSKTapered Roller

32980 is a NSK tapered roller bearing, bore 400 mm, O.D. 540 mm, width 82 mm, dynamic rating 279,000 lbs. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d400mm
Outside dia. D540mm
Width B82mm
Dynamic Cr279,000lbs
Static C0r602,000lbs
Limiting speed520rpm
Weight52.707kg
Cr / C0r0.46
Mean dia. dm470mm

Original catalogue drawing - NSK catalogue, page 117

32980 NSK Tapered Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D540 mmBore d400 mmWidth B82 mmCup width C71 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter40015.748
DOutside diameter54021.2598
BInner-ring / bearing width823.2283
TOverall assembly width873.4252
CCup / outer-ring width712.7953

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)400
Bore d (in)15.7480
Outside dia. D (mm)540
Outside dia. D (in)21.2598
Width B (mm)82.0000
Width B (in)3.2283
Overall width T (mm)87
Overall width T (in)3.4252
Cup width C (mm)71
Cup width C (in)2.7953

Load ratings & speeds

Basic dynamic load rating Cr (lbs)279000
Basic static load rating Cor (lbs)602000
Limiting speed - grease (rpm)520
Limiting speed - oil (rpm)700

Weight

Weight (kg)52.707

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.12
Shaft shoulder da min (in)16.811
Housing shoulder Da max (in)20.551
Shaft shoulder db max (in)16.850

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
4310,26310216,932
6206,84239265,416
8155,1321,024170,667
10124,1052,154359,072
1582,7378,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,241,054 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK inch product catalogue
Catalogue pagep.119 (dimensions) / p.120 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
SL182980FAGCylindrical Roller400540821730 kN54.3
SL182980-TBFAGCylindrical Roller400540821710 kN54.3

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NCF2980VNSKCylindrical Roller400540822030 kN53.4

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
32080NSKTapered Roller4006001182410 kN116

Request a quotation for 32980

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.