51414NSKThrust

Name: NSK 51414 Thrust Bearing
Brand: NSK
SKU: 51414

51414 is a NSK thrust bearing, bore 70 mm, O.D. 150 mm, height 60 mm, dynamic rating 56,700 lbs. Dimensions, drawing, interchanges and price.

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Bore d70mm

Outside dia. D150mm

Overall width T60mm

Dynamic Cr56,700lbs

Static C0r125,000lbs

Limiting speed1,000rpm

Weight5.048kg

Cr / C0r0.45

Mean dia. dm110mm

Original catalogue drawing - NSK catalogue, page 145

51414 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	70	2.7559
D	Outside diameter	150	5.9055
T	Overall assembly width	60	2.3622

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)	70
Bore d (in)	2.7559
Outside dia. D (mm)	150
Outside dia. D (in)	5.9055
Overall width T (mm)	60
Overall width T (in)	2.3622

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	56700
Basic static axial rating Coa (lbs)	125000
Limiting speed - grease (rpm)	1,000
Limiting speed - oil (rpm)	1,500

Weight

Weight (kg)	5.048

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	4.649
Housing shoulder Da (in)	4.019

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	63,054	102	5,644
6	42,036	392	21,805
8	31,527	1,024	56,889
10	25,221	2,154	119,691
15	16,814	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 252,214 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
WS22314-E1-XL-2RSR	FAG	Spherical Roller	70	150	60	390 kN	5.4

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29414	NSK	Thrust	70	150	48	450 kN	3.9
29414E	NSK	Thrust	70	150	48	102,000 lbs	3.901
51114	NSK	Thrust	70	95	18	9,810 lbs	0.345
51214	NSK	Thrust	70	105	27	16,600 lbs	0.794
51314	NSK	Thrust	70	125	40	30,900 lbs	2
52214	NSK	Thrust	70	105	None	74 kN	1.59
52314	NSK	Thrust	70	125	None	137 kN	4.07
52414	NSK	Thrust	70	150	None	252 kN	9.12

Request a quotation for 51414

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