51226XNSKThrust

Name: NSK 51226X Thrust Bearing
Brand: NSK
SKU: 51226X

51226X is a NSK thrust bearing, bore 130 mm, O.D. 190 mm, height 45 mm, dynamic rating 41,200 lbs. Dimensions, drawing, interchanges and price.

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Bore d130mm

Outside dia. D190mm

Overall width T45mm

Dynamic Cr41,200lbs

Static C0r123,000lbs

Limiting speed1,100rpm

Weight3.951kg

Cr / C0r0.33

Mean dia. dm160mm

Original catalogue drawing - NSK catalogue, page 147

51226X 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	130	5.1181
D	Outside diameter	190	7.4803
T	Overall assembly width	45	1.7717

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)	130
Bore d (in)	5.1181
Outside dia. D (mm)	190
Outside dia. D (in)	7.4803
Overall width T (mm)	45
Overall width T (in)	1.7717

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	41200
Basic static axial rating Coa (lbs)	123000
Limiting speed - grease (rpm)	1,100
Limiting speed - oil (rpm)	1,600

Weight

Weight (kg)	3.951

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	6.540
Housing shoulder Da (in)	6.068

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	45,817	102	5,644
6	30,544	392	21,805
8	22,908	1,024	56,889
10	18,327	2,154	119,691
15	12,218	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 183,267 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
51226	NSK	Thrust	130	190	45	183 kN	4.35

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29326	NSK	Thrust	130	225	58	740 kN	8.95
29326E	NSK	Thrust	130	225	58	166,000 lbs	8.936
29426	NSK	Thrust	130	270	85	1330 kN	21.1
29426E	NSK	Thrust	130	270	85	298,000 lbs	21.092
51126	NSK	Thrust	130	170	30	23,600 lbs	1.678
51226	NSK	Thrust	130	190	45	183 kN	4.35
51228	NSK	Thrust	130	200	46	186 kN	4.74
51326X	NSK	Thrust	130	225	75	78,300 lbs	12.102

Request a quotation for 51226X

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