51126NSKThrust

Name: NSK 51126 Thrust Bearing
Brand: NSK
SKU: 51126

51126 is a NSK thrust bearing, bore 130 mm, O.D. 170 mm, height 30 mm, dynamic rating 23,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d130mm

Outside dia. D170mm

Overall width T30mm

Dynamic Cr23,600lbs

Static C0r79,400lbs

Limiting speed1,400rpm

Weight1.678kg

Cr / C0r0.3

Mean dia. dm150mm

Original catalogue drawing - NSK catalogue, page 147

51126 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	170	6.6929
T	Overall assembly width	30	1.1811

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)	170
Outside dia. D (in)	6.6929
Overall width T (mm)	30
Overall width T (in)	1.1811

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	23600
Basic static axial rating Coa (lbs)	79400
Limiting speed - grease (rpm)	1,400
Limiting speed - oil (rpm)	2,000

Weight

Weight (kg)	1.678

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	6.068
Housing shoulder Da (in)	5.752

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 400 rpm
4	26,245	102	4,233
6	17,496	392	16,354
8	13,122	1,024	42,667
10	10,498	2,154	89,768
15	6,999	8,323	346,811

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 104,978 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
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
51226	NSK	Thrust	130	190	45	183 kN	4.35
51226X	NSK	Thrust	130	190	45	41,200 lbs	3.951
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 51126

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