51222NSKThrust

Name: NSK 51222 Thrust Bearing
Brand: NSK
SKU: 51222

51222 is a NSK thrust bearing, bore 110 mm, O.D. 160 mm, height 38 mm, dynamic rating 30,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d110mm

Outside dia. D160mm

Overall width T38mm

Dynamic Cr30,600lbs

Static C0r88,200lbs

Limiting speed1,300rpm

Weight2.422kg

Cr / C0r0.35

Mean dia. dm135mm

Original catalogue drawing - NSK catalogue, page 147

51222 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	110	4.3307
D	Outside diameter	160	6.2992
T	Overall assembly width	38	1.4961

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)	110
Bore d (in)	4.3307
Outside dia. D (mm)	160
Outside dia. D (in)	6.2992
Overall width T (mm)	38
Overall width T (in)	1.4961

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	30600
Basic static axial rating Coa (lbs)	88200
Limiting speed - grease (rpm)	1,300
Limiting speed - oil (rpm)	1,900

Weight

Weight (kg)	2.422

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	5.516
Housing shoulder Da (in)	5.122

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 400 rpm
4	34,029	102	4,233
6	22,686	392	16,354
8	17,014	1,024	42,667
10	13,612	2,154	89,768
15	9,074	8,323	346,811

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 136,116 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.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29322	NSK	Thrust	110	190	48	530 kN	5.25
29322E	NSK	Thrust	110	190	48	120,000 lbs	5.262
29422	NSK	Thrust	110	230	73	1010 kN	-
29422E	NSK	Thrust	110	230	73	227,000 lbs	13.29
51122	NSK	Thrust	110	145	25	19,700 lbs	1.039
51322	NSK	Thrust	110	190	63	282 kN	7.55
51322X	NSK	Thrust	110	190	63	63,500 lbs	7.18
51324	NSK	Thrust	110	210	70	330 kN	10.1

Request a quotation for 51222

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