51110NSKThrust

Name: NSK 51110 Thrust Bearing
Brand: NSK
SKU: 51110

51110 is a NSK thrust bearing, bore 50 mm, O.D. 70 mm, height 14 mm, dynamic rating 6,530 lbs. Dimensions, drawing, interchanges and price.

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Bore d50mm

Outside dia. D70mm

Overall width T14mm

Dynamic Cr6,530lbs

Static C0r17,000lbs

Limiting speed3,200rpm

Weight0.154kg

Cr / C0r0.38

Mean dia. dm60mm

Original catalogue drawing - NSK catalogue, page 145

51110 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	50	1.9685
D	Outside diameter	70	2.7559
T	Overall assembly width	14	0.5512

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)	50
Bore d (in)	1.9685
Outside dia. D (mm)	70
Outside dia. D (in)	2.7559
Overall width T (mm)	14
Overall width T (in)	0.5512

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	6530
Basic static axial rating Coa (lbs)	17000
Limiting speed - grease (rpm)	3,200
Limiting speed - oil (rpm)	4,800

Weight

Weight (kg)	0.154

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.024
Shaft shoulder da min (in)	2.443
Housing shoulder Da (in)	2.285

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,000 rpm
4	7,262	102	1,693
6	4,841	392	6,542
8	3,631	1,024	17,067
10	2,905	2,154	35,907
15	1,936	8,323	138,724

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 29,047 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
51210	NSK	Thrust	50	78	22	11,000 lbs	0.376
51310	NSK	Thrust	50	95	31	21,900 lbs	0.93
51410	NSK	Thrust	50	110	43	33,100 lbs	1.941
52310	NSK	Thrust	50	95	None	97.5 kN	1.94
52410	NSK	Thrust	50	110	None	147 kN	3.59
51109	NSK	Thrust	45	65	14	6,300 lbs	0.142
51209	NSK	Thrust	45	73	20	10,800 lbs	0.31
51309	NSK	Thrust	45	85	28	18,000 lbs	0.672

Request a quotation for 51110

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