51416NSKThrust

Name: NSK 51416 Thrust Bearing
Brand: NSK
SKU: 51416

51416 is a NSK thrust bearing, bore 80 mm, O.D. 170 mm, height 68 mm, dynamic rating 61,300 lbs. Dimensions, drawing, interchanges and price.

Request a quote WhatsApp Email us Search the catalog

Bore d80mm

Outside dia. D170mm

Overall width T68mm

Dynamic Cr61,300lbs

Static C0r140,000lbs

Limiting speed900rpm

Weight7.212kg

Cr / C0r0.44

Mean dia. dm125mm

Original catalogue drawing - NSK catalogue, page 145

51416 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	80	3.1496
D	Outside diameter	170	6.6929
T	Overall assembly width	68	2.6772

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)	80
Bore d (in)	3.1496
Outside dia. D (mm)	170
Outside dia. D (in)	6.6929
Overall width T (mm)	68
Overall width T (in)	2.6772

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	61300
Basic static axial rating Coa (lbs)	140000
Limiting speed - grease (rpm)	900
Limiting speed - oil (rpm)	1,300

Weight

Weight (kg)	7.212

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	5.240
Housing shoulder Da (in)	4.610

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	68,169	102	5,644
6	45,446	392	21,805
8	34,084	1,024	56,889
10	27,268	2,154	119,691
15	18,178	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 272,676 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
29416	NSK	Thrust	80	170	54	575 kN	5.55
29416E	NSK	Thrust	80	170	54	129,000 lbs	5.534
51116	NSK	Thrust	80	105	19	10,100 lbs	0.417
51216	NSK	Thrust	80	115	28	17,700 lbs	0.93
51316	NSK	Thrust	80	140	44	36,800 lbs	2.74
52316	NSK	Thrust	80	140	None	164 kN	5.39
52416	NSK	Thrust	80	170	None	272 kN	12.8
29415	NSK	Thrust	75	160	51	515 kN	4.65

Request a quotation for 51416

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516