51214NSKThrust

Name: NSK 51214 Thrust Bearing
Brand: NSK
SKU: 51214

51214 is a NSK thrust bearing, bore 70 mm, O.D. 105 mm, height 27 mm, dynamic rating 16,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d70mm

Outside dia. D105mm

Overall width T27mm

Dynamic Cr16,600lbs

Static C0r42,300lbs

Limiting speed1,900rpm

Weight0.794kg

Cr / C0r0.39

Mean dia. dm87.5mm

Original catalogue drawing - NSK catalogue, page 145

51214 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	105	4.1339
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)	70
Bore d (in)	2.7559
Outside dia. D (mm)	105
Outside dia. D (in)	4.1339
Overall width T (mm)	27
Overall width T (in)	1.0630

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	16600
Basic static axial rating Coa (lbs)	42300
Limiting speed - grease (rpm)	1,900
Limiting speed - oil (rpm)	2,800

Weight

Weight (kg)	0.794

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	3.585
Housing shoulder Da (in)	3.310

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 600 rpm
4	18,460	102	2,822
6	12,307	392	10,903
8	9,230	1,024	28,444
10	7,384	2,154	59,845
15	4,923	8,323	231,207

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 73,840 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
51114	NSK	Thrust	70	95	18	9,810 lbs	0.345
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 51214

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