29338ENSKThrust

Name: NSK 29338E Thrust Bearing
Brand: NSK
SKU: 29338E

29338E is a NSK thrust bearing, bore 190 mm, O.D. 320 mm, height 78 mm, dynamic rating 310,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d190mm

Outside dia. D320mm

Overall width T78mm

Dynamic Cr310,000lbs

Static C0r1,060,000lbs

Speed1,000rpm

Weight22.906kg

Cr / C0r0.29

Mean dia. dm255mm

Original catalogue drawing - NSK catalogue, page 149

29338E 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	190	7.4803
D	Outside diameter	320	12.5984
T	Overall assembly width	78	3.0709
C	Cup / outer-ring width	37.998	1.496

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)	190
Bore d (in)	7.4803
Outside dia. D (mm)	320
Outside dia. D (in)	12.5984
Overall width T (mm)	78
Overall width T (in)	3.0709
Cup width C (in)	1.496
Bore d1 (in)	11.358
Outside dia. D1 (in)	9.606

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	310000
Basic static axial rating Coa (lbs)	1060000
Limiting speed - oil (rpm)	1,000

Weight

Weight (kg)	22.906

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.118
Shaft shoulder da min (in)	10.827
Housing shoulder Da (in)	9.843

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	344,737	102	5,644
6	229,825	392	21,805
8	172,369	1,024	56,889
10	137,895	2,154	119,691
15	91,930	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,378,949 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.

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29338	NSK	Thrust	190	320	78	1370 kN	23

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29338	NSK	Thrust	190	320	78	1370 kN	23
29438	NSK	Thrust	190	380	115	475,000 lbs	59.874
51138	NSK	Thrust	190	240	37	172 kN	-
51238	NSK	Thrust	190	270	62	320 kN	12.9
51338	NSK	Thrust	190	320	105	550 kN	38.1
52238	NSK	Thrust	190	270	None	320 kN	22.2
52338	NSK	Thrust	190	320	None	550 kN	-

Request a quotation for 29338E

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