63207DDUNSKBall

Name: NSK 63207DDU Ball Bearing
Brand: NSK
SKU: 63207DDU

63207DDU is a NSK ball bearing, bore 35 mm, O.D. 72 mm, width 26.99 mm, dynamic rating 5,780 lbs. Dimensions, drawing, interchanges and price.

Sealed both sides

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Bore d35mm

Outside dia. D72mm

Width B26.99mm

Dynamic Cr5,780lbs

Static C0r3,440lbs

Weight0.435kg

Cr / C0r1.68

Mean dia. dm53.5mm

Original catalogue drawing - NSK catalogue, page 23

63207DDU 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	35	1.378
D	Outside diameter	72	2.8346
B	Inner-ring / bearing width	26.987	1.0625
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)	35
Bore d (in)	1.3780
Outside dia. D (mm)	72
Outside dia. D (in)	2.8346
Width B (in)	1.0625

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	5780
Basic static load rating Cor (lbs)	3440

Weight

Weight (kg)	0.435

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder (in)	1.614
Housing shoulder (in)	2.559

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	6,428	64	2,133
6	4,285	216	7,200
8	3,214	512	17,067
10	2,571	1,000	33,333
15	1,714	3,375	112,500

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 25,711 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
3207-B-2RSR-TVH	FAG	Precision / Angular Contact	35	72	27	39 kN	0.454
3207-B-2Z-TVH	FAG	Precision / Angular Contact	35	72	27	39 kN	0.454
3207-B-TVH	FAG	Precision / Angular Contact	35	72	27	39 kN	0.446
3207-BD-XL-2HRS-TVH	FAG	Precision / Angular Contact	35	72	27	41 kN	0.44
3207-BD-XL-2Z-TVH	FAG	Precision / Angular Contact	35	72	27	41 kN	0.432
3207-BD-XL-TVH	FAG	Precision / Angular Contact	35	72	27	41 kN	0.436

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
3207J	NSK	Ball	35	72	27	8,410 lbs	0.481
5207J	NSK	Ball	35	72	27	8,770 lbs	0.431
5207TNG	NSK	Ball	35	72	27	8,770 lbs	0.413
5207	NSK	Precision / Angular Contact	35	72	27	43 kN	0.46
5207AZZ	NSK	Precision / Angular Contact	35	72	27	37.5 kN	0.46

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1207	NSK	Ball	35	72	17	3,600 lbs	0.331
1307	NSK	Ball	35	80	21	5,620 lbs	0.535
16007	NSK	Ball	35	62	9	12.8 kN	0.107
2207	NSK	Ball	35	72	23	7,190 lbs	0.399
2307	NSK	Ball	35	80	31	8,770 lbs	0.744
3207J	NSK	Ball	35	72	27	8,410 lbs	0.481
3307J	NSK	Ball	35	80	34.9	10,600 lbs	0.816
5207J	NSK	Ball	35	72	27	8,770 lbs	0.431

Request a quotation for 63207DDU

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Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516