51432XNSKThrust

Name: NSK 51432X Thrust Bearing
Brand: NSK
SKU: 51432X

51432X is a NSK thrust bearing, bore 160 mm, O.D. 320 mm, height 130 mm, dynamic rating 146,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d160mm

Outside dia. D320mm

Overall width T130mm

Dynamic Cr146,000lbs

Static C0r498,000lbs

Limiting speed4,500rpm

Weight52.707kg

Cr / C0r0.29

Mean dia. dm240mm

Original catalogue drawing - NSK catalogue, page 147

51432X 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	160	6.2992
D	Outside diameter	320	12.5984
T	Overall assembly width	130	5.1181

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)	160
Bore d (in)	6.2992
Outside dia. D (mm)	320
Outside dia. D (in)	12.5984
Overall width T (mm)	130
Overall width T (in)	5.1181

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	146000
Basic static axial rating Coa (lbs)	498000
Limiting speed - grease (rpm)	4,500
Limiting speed - oil (rpm)	700

Weight

Weight (kg)	52.707

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.158
Shaft shoulder da min (in)	10.008
Housing shoulder Da (in)	8.904

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,500 rpm
4	162,360	102	1,129
6	108,240	392	4,361
8	81,180	1,024	11,378
10	64,944	2,154	23,938
15	43,296	8,323	92,483

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 649,440 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.149 (dimensions) / p.150 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29332	NSK	Thrust	160	270	67	1010 kN	14.3
29332E	NSK	Thrust	160	270	67	226,000 lbs	14.288
29432	NSK	Thrust	160	320	95	1740 kN	32.1
29432E	NSK	Thrust	160	320	95	390,000 lbs	32.114
51132	NSK	Thrust	160	200	31	113 kN	-
51132X	NSK	Thrust	160	200	31	25,400 lbs	2.059
51232	NSK	Thrust	160	225	51	249 kN	6.78
51232X	NSK	Thrust	160	225	51	56,000 lbs	6.042

Request a quotation for 51432X

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