51232XNSKThrust

Name: NSK 51232X Thrust Bearing
Brand: NSK
SKU: 51232X

51232X is a NSK thrust bearing, bore 160 mm, O.D. 225 mm, height 51 mm, dynamic rating 56,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d160mm

Outside dia. D225mm

Overall width T51mm

Dynamic Cr56,000lbs

Static C0r181,000lbs

Limiting speed9,000rpm

Weight6.042kg

Cr / C0r0.31

Mean dia. dm192.5mm

Original catalogue drawing - NSK catalogue, page 147

51232X 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	225	8.8583
T	Overall assembly width	51	2.0079

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)	225
Outside dia. D (in)	8.8583
Overall width T (mm)	51
Overall width T (in)	2.0079

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	56000
Basic static axial rating Coa (lbs)	181000
Limiting speed - grease (rpm)	9,000
Limiting speed - oil (rpm)	1,400

Weight

Weight (kg)	6.042

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	7.841
Housing shoulder Da (in)	7.329

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	62,275	102	564
6	41,517	392	2,181
8	31,138	1,024	5,689
10	24,910	2,154	11,969
15	16,607	8,323	46,241

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 249,100 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.

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
51232	NSK	Thrust	160	225	51	249 kN	6.78

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
51332	NSK	Thrust	160	270	87	475 kN	22.3

Request a quotation for 51232X

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