51216NSKThrust

Name: NSK 51216 Thrust Bearing
Brand: NSK
SKU: 51216

51216 is a NSK thrust bearing, bore 80 mm, O.D. 115 mm, height 28 mm, dynamic rating 17,700 lbs. Dimensions, drawing, interchanges and price.

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Bore d80mm

Outside dia. D115mm

Overall width T28mm

Dynamic Cr17,700lbs

Static C0r49,200lbs

Limiting speed1,800rpm

Weight0.93kg

Cr / C0r0.36

Mean dia. dm97.5mm

Original catalogue drawing - NSK catalogue, page 145

51216 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	80	3.1496
D	Outside diameter	115	4.5276
T	Overall assembly width	28	1.1024

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)	80
Bore d (in)	3.1496
Outside dia. D (mm)	115
Outside dia. D (in)	4.5276
Overall width T (mm)	28
Overall width T (in)	1.1024

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	17700
Basic static axial rating Coa (lbs)	49200
Limiting speed - grease (rpm)	1,800
Limiting speed - oil (rpm)	2,600

Weight

Weight (kg)	0.93

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	3.979
Housing shoulder Da (in)	3.704

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 600 rpm
4	19,683	102	2,822
6	13,122	392	10,903
8	9,842	1,024	28,444
10	7,873	2,154	59,845
15	5,249	8,323	231,207

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 78,734 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
29416	NSK	Thrust	80	170	54	575 kN	5.55
29416E	NSK	Thrust	80	170	54	129,000 lbs	5.534
51116	NSK	Thrust	80	105	19	10,100 lbs	0.417
51316	NSK	Thrust	80	140	44	36,800 lbs	2.74
51416	NSK	Thrust	80	170	68	61,300 lbs	7.212
52316	NSK	Thrust	80	140	None	164 kN	5.39
52416	NSK	Thrust	80	170	None	272 kN	12.8
29415	NSK	Thrust	75	160	51	515 kN	4.65

Request a quotation for 51216

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