29434NSKThrust

Name: NSK 29434 Thrust Bearing
Brand: NSK
SKU: 29434

29434 is a NSK thrust bearing, bore 170 mm, O.D. 340 mm, height 103 mm, dynamic rating 375,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d170mm

Outside dia. D340mm

Overall width T103mm

Dynamic Cr375,000lbs

Static C0r1,300,000lbs

Speed100rpm

Weight43.545kg

Cr / C0r0.29

Mean dia. dm255mm

Original catalogue drawing - NSK catalogue, page 149

29434 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	170	6.6929
D	Outside diameter	340	13.3858
T	Overall assembly width	103	4.0551
C	Cup / outer-ring width	50.013	1.969

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)	170
Bore d (in)	6.6929
Outside dia. D (mm)	340
Outside dia. D (in)	13.3958
Overall width T (mm)	103
Overall width T (in)	4.0551
Cup width C (in)	1.969
Bore d1 (in)	12.205
Outside dia. D1 (in)	9.567

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	375000
Basic static axial rating Coa (lbs)	1300000
Limiting speed - oil (rpm)	100

Weight

Weight (kg)	43.545

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.157
Shaft shoulder da min (in)	11.220
Housing shoulder Da (in)	9.646

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 100 rpm
4	417,021	102	16,932
6	278,014	392	65,416
8	208,510	1,024	170,667
10	166,808	2,154	359,072
15	111,206	8,323	1,387,244

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,668,083 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
29334	NSK	Thrust	170	280	67	1050 kN	14.8
29334E	NSK	Thrust	170	280	67	235,000 lbs	14.742
51134	NSK	Thrust	170	215	34	135 kN	-
51334	NSK	Thrust	170	280	87	465 kN	23.2
51434	NSK	Thrust	170	340	135	715 kN	61.3
52234	NSK	Thrust	170	240	None	280 kN	15.2
52334	NSK	Thrust	170	280	None	465 kN	-
52434	NSK	Thrust	170	340	None	715 kN	-

Request a quotation for 29434

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