63208DDUNSKBall

Name: NSK 63208DDU Ball Bearing
Brand: NSK
SKU: 63208DDU

63208DDU is a NSK ball bearing, bore 40 mm, O.D. 80 mm, width 30.16 mm, dynamic rating 6,550 lbs. Dimensions, drawing, interchanges and price.

Sealed both sides

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Bore d40mm

Outside dia. D80mm

Width B30.16mm

Dynamic Cr6,550lbs

Static C0r4,010lbs

Weight0.581kg

Cr / C0r1.63

Mean dia. dm60mm

Original catalogue drawing - NSK catalogue, page 23

63208DDU NSK Ball 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	40	1.5748
D	Outside diameter	80	3.1496
B	Inner-ring / bearing width	30.162	1.1875
r	Chamfer (min)	0.991	0.039

Notes

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)	40
Bore d (in)	1.5748
Outside dia. D (mm)	80
Outside dia. D (in)	3.1496
Width B (in)	1.1875

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	6550
Basic static load rating Cor (lbs)	4010

Weight

Weight (kg)	0.581

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder (in)	1.811
Housing shoulder (in)	2.874

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	7,284	64	2,133
6	4,856	216	7,200
8	3,642	512	17,067
10	2,914	1,000	33,333
15	1,942	3,375	112,500

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 29,136 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.27 (dimensions) / p.27 (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
3208-B-2RSR-TVH	FAG	Precision / Angular Contact	40	80	30.2	48 kN	0.605
3208-B-2Z-TVH	FAG	Precision / Angular Contact	40	80	30.2	48 kN	0.604
3208-B-TVH	FAG	Precision / Angular Contact	40	80	30.2	48 kN	0.594
3208-BD-XL-2HRS-TVH	FAG	Precision / Angular Contact	40	80	30.2	51 kN	0.597
3208-BD-XL-2Z-TVH	FAG	Precision / Angular Contact	40	80	30.2	51 kN	0.58
3208-BD-XL-TVH	FAG	Precision / Angular Contact	40	80	30.2	51 kN	0.591

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
3208J	NSK	Ball	40	80	30.2	9,290 lbs	0.653
5208J	NSK	Ball	40	80	30.2	9,930 lbs	0.572
5208TNG	NSK	Ball	40	80	30.2	10,800 lbs	0.549
5208	NSK	Precision / Angular Contact	40	80	30.2	48.5 kN	0.62
5208AZZ	NSK	Precision / Angular Contact	40	80	30.2	40 kN	0.63

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1208	NSK	Ball	40	80	18	4,340 lbs	0.417
1308	NSK	Ball	40	90	23	6,520 lbs	0.744
16008	NSK	Ball	40	68	9	13.9 kN	0.13
2208	NSK	Ball	40	80	23	7,080 lbs	0.49
2308	NSK	Ball	40	90	33	10,100 lbs	0.998
3208J	NSK	Ball	40	80	30.2	9,290 lbs	0.653
3308J	NSK	Ball	40	90	36.5	13,100 lbs	1.066
5208J	NSK	Ball	40	80	30.2	9,930 lbs	0.572

Request a quotation for 63208DDU

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