29240NSKThrust

Name: NSK 29240 Thrust Bearing
Brand: NSK
SKU: 29240

29240 is a NSK thrust bearing, bore 200 mm, O.D. 280 mm, height 48 mm, dynamic rating 121,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d200mm

Outside dia. D280mm

Overall width T48mm

Dynamic Cr121,000lbs

Static C0r519,000lbs

Speed1,500rpm

Weight8.528kg

Cr / C0r0.23

Mean dia. dm240mm

Original catalogue drawing - NSK catalogue, page 151

29240 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	200	7.874
D	Outside diameter	280	11.0236
T	Overall assembly width	48	1.8898
C	Cup / outer-ring width	24.003	0.945

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)	200
Bore d (in)	7.8740
Outside dia. D (mm)	280
Outside dia. D (in)	11.0236
Overall width T (mm)	48
Overall width T (in)	1.8898
Cup width C (in)	0.945
Bore d1 (in)	10.472
Outside dia. D1 (in)	9.291

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	121000
Basic static axial rating Coa (lbs)	519000
Limiting speed - oil (rpm)	1,500

Weight

Weight (kg)	8.528

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	10.039
Housing shoulder Da (in)	9.252

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	134,559	102	3,386
6	89,706	392	13,083
8	67,279	1,024	34,133
10	53,823	2,154	71,814
15	35,882	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 538,235 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.153 (dimensions) / p.154 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
SL182940	FAG	Cylindrical Roller	200	280	48	610 kN	9.1
SL182940-XL	FAG	Cylindrical Roller	200	280	48	610 kN	9.1

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
NCF2940V	NSK	Cylindrical Roller	200	280	48	650 kN	8.9
32940	NSK	Tapered Roller	200	280	48	505 kN	9.26

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29340	NSK	Thrust	200	340	85	1570 kN	28.5
29340E	NSK	Thrust	200	340	85	355,000 lbs	28.576
29440	NSK	Thrust	200	400	122	515,000 lbs	68.946
51140	NSK	Thrust	200	250	37	173 kN	-
51240	NSK	Thrust	200	280	62	315 kN	13.4
52240	NSK	Thrust	200	280	None	315 kN	23.2

Request a quotation for 29240

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