29428ENSKThrust

Name: NSK 29428E Thrust Bearing
Brand: NSK
SKU: 29428E

29428E is a NSK thrust bearing, bore 140 mm, O.D. 280 mm, height 85 mm, dynamic rating 310,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d140mm

Outside dia. D280mm

Overall width T85mm

Dynamic Cr310,000lbs

Static C0r944,000lbs

Speed1,200rpm

Weight22.226kg

Cr / C0r0.33

Mean dia. dm210mm

Original catalogue drawing - NSK catalogue, page 149

29428E 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	140	5.5118
D	Outside diameter	280	11.0236
T	Overall assembly width	85	3.3465
C	Cup / outer-ring width	42.012	1.654

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)	140
Bore d (in)	5.5118
Outside dia. D (mm)	280
Outside dia. D (in)	11.0236
Overall width T (mm)	85
Overall width T (in)	3.3465
Cup width C (in)	1.654
Bore d1 (in)	9.626
Outside dia. D1 (in)	7.697

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	310000
Basic static axial rating Coa (lbs)	944000
Limiting speed - oil (rpm)	1,200

Weight

Weight (kg)	22.226

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.118
Shaft shoulder da min (in)	9.252
Housing shoulder Da (in)	8.071

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 400 rpm
4	344,737	102	4,233
6	229,825	392	16,354
8	172,369	1,024	42,667
10	137,895	2,154	89,768
15	91,930	8,323	346,811

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,378,949 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.151 (dimensions) / p.152 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29428	NSK	Thrust	140	280	85	1370 kN	-

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29328	NSK	Thrust	140	240	60	840 kN	10.4
29328E	NSK	Thrust	140	240	60	189,000 lbs	10.387
29428	NSK	Thrust	140	280	85	1370 kN	-
51128X	NSK	Thrust	140	200	31	24,300 lbs	1.828
51228X	NSK	Thrust	140	240	46	41,700 lbs	4.3
51328X	NSK	Thrust	140	280	80	82,700 lbs	15.599
51428X	NSK	Thrust	140	160	112	125,000 lbs	34.7
52228	NSK	Thrust	140	200	None	186 kN	8.87

Request a quotation for 29428E

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