51215NSKThrust

Name: NSK 51215 Thrust Bearing
Brand: NSK
SKU: 51215

51215 is a NSK thrust bearing, bore 75 mm, O.D. 110 mm, height 27 mm, dynamic rating 17,500 lbs. Dimensions, drawing, interchanges and price.

Request a quote WhatsApp Email us Search the catalog

Bore d75mm

Outside dia. D110mm

Overall width T27mm

Dynamic Cr17,500lbs

Static C0r47,000lbs

Limiting speed1,800rpm

Weight0.844kg

Cr / C0r0.37

Mean dia. dm92.5mm

Original catalogue drawing - NSK catalogue, page 145

51215 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	75	2.9528
D	Outside diameter	110	4.3307
T	Overall assembly width	27	1.063

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)	75
Bore d (in)	2.9528
Outside dia. D (mm)	110
Outside dia. D (in)	4.3307
Overall width T (mm)	27
Overall width T (in)	1.0630

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	17500
Basic static axial rating Coa (lbs)	47000
Limiting speed - grease (rpm)	1,800
Limiting speed - oil (rpm)	2,800

Weight

Weight (kg)	0.844

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	3.782
Housing shoulder Da (in)	3.507

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 600 rpm
4	19,461	102	2,822
6	12,974	392	10,903
8	9,730	1,024	28,444
10	7,784	2,154	59,845
15	5,190	8,323	231,207

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 77,844 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
29415	NSK	Thrust	75	160	51	515 kN	4.65
29415E	NSK	Thrust	75	160	51	116,000 lbs	4.672
51115	NSK	Thrust	75	100	19	9,810 lbs	0.39
51315	NSK	Thrust	75	135	44	35,700 lbs	2.599
51415	NSK	Thrust	75	160	65	57,100 lbs	6.151
52215	NSK	Thrust	75	110	None	78 kN	1.66
52315	NSK	Thrust	75	135	None	159 kN	5.14
52415	NSK	Thrust	75	160	None	254 kN	11

Request a quotation for 51215

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