SIFT BEARING STORE CATALOG

29388NSKThrust

29388 is a NSK thrust bearing, bore 440 mm, O.D. 680 mm, height 145 mm, dynamic rating 843,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d440mm
Outside dia. D680mm
Height H145mm
Dynamic Cr843,000lbs
Static C0r3,780,000lbs
Speed480rpm
Weight190.509kg
Cr / C0r0.22
Mean dia. dm560mm

Original catalogue drawing - NSK catalogue, page 153

29388 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. D680 mmBore d440 mmHeight H145 mmCup width C70 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 diameter44017.3228
DOutside diameter68026.7717
CCup / outer-ring width70.0022.756
HHeight1455.7087

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)440
Bore d (in)17.3228
Outside dia. D (mm)680
Outside dia. D (in)26.7717
Cup width C (in)2.756
Height H (mm)145
Height H (in)5.7087
Bore d1 (in)25.394
Outside dia. D1 (in)12.575

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)843000
Basic static axial rating Coa (lbs)3780000
Limiting speed - oil (rpm)480

Weight

Weight (kg)190.509

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.197
Shaft shoulder da min (in)23.622
Housing shoulder Da (in)21.654

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
4937,46310216,932
6624,97539265,416
8468,7311,024170,667
10374,9852,154359,072
15249,9908,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 3,749,851 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
29288NSKThrust44060095456,000 lbs77.111
29488NSKThrust4407802061,470,000 lbs408.233

Request a quotation for 29388

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.

Online enquiry formrichard@bearingsfit.com