51413NSKThrust

Name: NSK 51413 Thrust Bearing
Brand: NSK
SKU: 51413

51413 is a NSK thrust bearing, bore 65 mm, O.D. 140 mm, height 56 mm, dynamic rating 52,500 lbs. Dimensions, drawing, interchanges and price.

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Bore d65mm

Outside dia. D140mm

Overall width T56mm

Dynamic Cr52,500lbs

Static C0r111,000lbs

Limiting speed1,100rpm

Weight4.1kg

Cr / C0r0.47

Mean dia. dm102.5mm

Original catalogue drawing - NSK catalogue, page 145

51413 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	65	2.5591
D	Outside diameter	140	5.5118
T	Overall assembly width	56	2.2047

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)	65
Bore d (in)	2.5591
Outside dia. D (mm)	140
Outside dia. D (in)	5.5118
Overall width T (mm)	56
Overall width T (in)	2.2047

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	52500
Basic static axial rating Coa (lbs)	111000
Limiting speed - grease (rpm)	1,100
Limiting speed - oil (rpm)	1,700

Weight

Weight (kg)	4.1

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	4.334
Housing shoulder Da (in)	3.743

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	58,383	102	5,644
6	38,922	392	21,805
8	29,191	1,024	56,889
10	23,353	2,154	119,691
15	15,569	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 233,532 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.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
J6392/J6327	Timken	Tapered Roller	65	140	56	321 kN	3.95

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29413E	NSK	Thrust	65	140	45	91,000 lbs	3.198
51113	NSK	Thrust	65	90	18	9,480 lbs	0.322
51213	NSK	Thrust	65	100	27	17,000 lbs	0.757
51313	NSK	Thrust	65	115	36	27,600 lbs	1.542
52213	NSK	Thrust	65	100	None	75.5 kN	1.45
52313	NSK	Thrust	65	115	None	123 kN	3.06
52413	NSK	Thrust	65	140	None	234 kN	7.66
29412	NSK	Thrust	60	130	42	330 kN	-

Request a quotation for 51413

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