51415NSKThrust

Name: NSK 51415 Thrust Bearing
Brand: NSK
SKU: 51415

51415 is a NSK thrust bearing, bore 75 mm, O.D. 160 mm, height 65 mm, dynamic rating 57,100 lbs. Dimensions, drawing, interchanges and price.

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Bore d75mm

Outside dia. D160mm

Overall width T65mm

Dynamic Cr57,100lbs

Static C0r126,000lbs

Limiting speed1,000rpm

Weight6.151kg

Cr / C0r0.45

Mean dia. dm117.5mm

Original catalogue drawing - NSK catalogue, page 145

51415 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	75	2.9528
D	Outside diameter	160	6.2992
T	Overall assembly width	65	2.5591

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)	75
Bore d (in)	2.9528
Outside dia. D (mm)	160
Outside dia. D (in)	6.2992
Overall width T (mm)	65
Overall width T (in)	2.5591

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	57100
Basic static axial rating Coa (lbs)	126000
Limiting speed - grease (rpm)	1,000
Limiting speed - oil (rpm)	1,400

Weight

Weight (kg)	6.151

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	4.925
Housing shoulder Da (in)	4.334

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	63,498	102	5,644
6	42,332	392	21,805
8	31,749	1,024	56,889
10	25,399	2,154	119,691
15	16,933	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 253,993 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.147 (dimensions) / p.148 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29415	NSK	Thrust	75	160	51	515 kN	4.65
29415E	NSK	Thrust	75	160	51	116,000 lbs	4.672
51115	NSK	Thrust	75	100	19	9,810 lbs	0.39
51215	NSK	Thrust	75	110	27	17,500 lbs	0.844
51315	NSK	Thrust	75	135	44	35,700 lbs	2.599
52215	NSK	Thrust	75	110	None	78 kN	1.66
52315	NSK	Thrust	75	135	None	159 kN	5.14
52415	NSK	Thrust	75	160	None	254 kN	11

Request a quotation for 51415

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