51114NSKThrust

Name: NSK 51114 Thrust Bearing
Brand: NSK
SKU: 51114

51114 is a NSK thrust bearing, bore 70 mm, O.D. 95 mm, height 18 mm, dynamic rating 9,810 lbs. Dimensions, drawing, interchanges and price.

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Bore d70mm

Outside dia. D95mm

Overall width T18mm

Dynamic Cr9,810lbs

Static C0r28,400lbs

Limiting speed2,400rpm

Weight0.345kg

Cr / C0r0.35

Mean dia. dm82.5mm

Original catalogue drawing - NSK catalogue, page 145

51114 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	95	3.7402
T	Overall assembly width	18	0.7087

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)	95
Outside dia. D (in)	3.7402
Overall width T (mm)	18
Overall width T (in)	0.7087

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	9810
Basic static axial rating Coa (lbs)	28400
Limiting speed - grease (rpm)	2,400
Limiting speed - oil (rpm)	3,600

Weight

Weight (kg)	0.345

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	3.349
Housing shoulder Da (in)	3.152

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 800 rpm
4	10,909	102	2,117
6	7,273	392	8,177
8	5,455	1,024	21,333
10	4,364	2,154	44,884
15	2,909	8,323	173,406

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 43,637 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
29414	NSK	Thrust	70	150	48	450 kN	3.9
29414E	NSK	Thrust	70	150	48	102,000 lbs	3.901
51214	NSK	Thrust	70	105	27	16,600 lbs	0.794
51314	NSK	Thrust	70	125	40	30,900 lbs	2
51414	NSK	Thrust	70	150	60	56,700 lbs	5.048
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 51114

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