SIFT BEARING STORE CATALOG

29280NSKThrust

29280 is a NSK thrust bearing, bore 400 mm, O.D. 540 mm, height 85 mm, dynamic rating 369,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d400mm
Outside dia. D540mm
Height H85mm
Dynamic Cr369,000lbs
Static C0r1,800,000lbs
Speed750rpm
Weight54.885kg
Cr / C0r0.2
Mean dia. dm470mm

Original catalogue drawing - NSK catalogue, page 153

29280 NSK Thrust 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

DdHOutside dia. D540 mmBore d400 mmHeight H85 mmCup width C42.01 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
CCup / outer-ring width42.0121.654
HHeight853.3465

Notes

Thrust bearing ratings are axial values Ca / Coa; T is the overall height. 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
Cup width C (in)1.654
Height H (mm)85
Height H (in)3.3465
Bore d1 (in)20.354
Outside dia. D1 (in)18.110

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)369000
Basic static axial rating Coa (lbs)1800000
Limiting speed - oil (rpm)750

Weight

Weight (kg)54.885

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.118
Shaft shoulder da min (in)19.291
Housing shoulder Da (in)19.110

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
4410,3481028,466
6273,56639232,708
8205,1741,02485,333
10164,1392,154179,536
15109,4268,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,641,394 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.155 (dimensions) / p.156 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
29380NSKThrust400620132--
29480NSKThrust4007101851,210,000 lbs306.175

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