29318ENSKThrust

Name: NSK 29318E Thrust Bearing
Brand: NSK
SKU: 29318E

29318E is a NSK thrust bearing, bore 90 mm, O.D. 150 mm, height 39 mm, dynamic rating 78,500 lbs. Dimensions, drawing, interchanges and price.

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Bore d90mm

Outside dia. D150mm

Overall width T39mm

Dynamic Cr78,500lbs

Static C0r243,000lbs

Speed2,200rpm

Weight2.835kg

Cr / C0r0.32

Mean dia. dm120mm

Original catalogue drawing - NSK catalogue, page 149

29318E 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

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)

Symbol	Dimension	mm	inch
d	Bore diameter	90	3.5433
D	Outside diameter	150	5.9055
T	Overall assembly width	39	1.5354
C	Cup / outer-ring width	18.999	0.748

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)	90
Bore d (in)	3.5433
Outside dia. D (mm)	150
Outside dia. D (in)	6.1024
Overall width T (mm)	39
Overall width T (in)	1.5354
Cup width C (in)	0.748
Bore d1 (in)	5.492
Outside dia. D1 (in)	4.646

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	78500
Basic static axial rating Coa (lbs)	243000
Limiting speed - oil (rpm)	2,200

Weight

Weight (kg)	2.835

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	5.512
Housing shoulder Da (in)	4.724

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 700 rpm
4	87,296	102	2,419
6	58,198	392	9,345
8	43,648	1,024	24,381
10	34,919	2,154	51,296
15	23,279	8,323	198,178

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 349,185 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	NSK
Source catalogue	NSK inch product catalogue
Catalogue page	p.151 (dimensions) / p.152 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29418E	NSK	Thrust	90	190	60	156,000 lbs	7.53
51118	NSK	Thrust	90	120	22	13,600 lbs	0.644
51218	NSK	Thrust	90	135	35	25,600 lbs	1.692
51318	NSK	Thrust	90	155	50	48,300 lbs	3.828
51418	NSK	Thrust	90	190	77	330 kN	10.3
51418X	NSK	Thrust	90	190	77	73,900 lbs	10.201
52318	NSK	Thrust	90	155	None	214 kN	7.33
52418	NSK	Thrust	90	190	None	330 kN	18.1

Request a quotation for 29318E

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