51330XNSKThrust

Name: NSK 51330X Thrust Bearing
Brand: NSK
SKU: 51330X

51330X is a NSK thrust bearing, bore 150 mm, O.D. 250 mm, height 80 mm, dynamic rating 86,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d150mm

Outside dia. D250mm

Overall width T80mm

Dynamic Cr86,000lbs

Static C0r271,000lbs

Limiting speed6,700rpm

Weight16.701kg

Cr / C0r0.32

Mean dia. dm200mm

Original catalogue drawing - NSK catalogue, page 147

51330X 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	150	5.9055
D	Outside diameter	250	9.8425
T	Overall assembly width	80	3.1496

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)	150
Bore d (in)	5.9055
Outside dia. D (mm)	250
Outside dia. D (in)	9.8425
Overall width T (mm)	80
Overall width T (in)	3.1496

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	86000
Basic static axial rating Coa (lbs)	271000
Limiting speed - grease (rpm)	6,700
Limiting speed - oil (rpm)	1,000

Weight

Weight (kg)	16.701

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	8.235
Housing shoulder Da (in)	7.525

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,200 rpm
4	95,637	102	770
6	63,758	392	2,973
8	47,818	1,024	7,758
10	38,255	2,154	16,321
15	25,503	8,323	63,057

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 382,547 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.149 (dimensions) / p.150 (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
23130-E1-XL-K-TVPB	FAG	Spherical Roller	150	250	80	1000 kN	14.5
23130-E1-XL-TVPB	FAG	Spherical Roller	150	250	80	1000 kN	15
23130-E1A-XL-K-M	FAG	Spherical Roller	150	250	80	1000 kN	15.8
23130-E1A-XL-M	FAG	Spherical Roller	150	250	80	1000 kN	16.3

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
23130CAME4	NSK	Spherical Roller	150	250	80	163,000 lbs	15.345
23130CE4	NSK	Spherical Roller	150	250	80	163,000 lbs	15.694
51330	NSK	Thrust	150	250	80	380 kN	17.3

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29330	NSK	Thrust	150	250	60	870 kN	-
29330E	NSK	Thrust	150	250	60	196,000 lbs	10.795
29430	NSK	Thrust	150	300	90	1580 kN	27.3
29430E	NSK	Thrust	150	300	90	355,000 lbs	27.216
51130	NSK	Thrust	150	190	31	110 kN	-
51130X	NSK	Thrust	150	190	31	24,700 lbs	1.941
51230	NSK	Thrust	150	215	50	238 kN	6.09
51230X	NSK	Thrust	150	215	50	53,600 lbs	5.511

Request a quotation for 51330X

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