6409FAGBall

Name: FAG 6409 Ball Bearing
Brand: FAG
SKU: 6409

6409 is a FAG ball bearing, bore 45 mm, O.D. 120 mm, width 29 mm, dynamic rating 83 kN. Dimensions, drawing, interchanges and price.

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Bore d45mm

Outside dia. D120mm

Width B29mm

Dynamic Cr83kN

Static C0r47.5kN

Limiting speed8,500rpm

Weight1.55kg

Cr / C0r1.75

Mean dia. dm82.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 252

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	45	1.7717
D	Outside diameter	120	4.7244
B	Inner-ring / bearing width	29	1.1417
r	Chamfer (min)	2	0.0787

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)	45
Outside dia. D (mm)	120
Width B (mm)	29
Inner-ring OD d1 (mm)	75.2
Inner-ring shoulder dia. D1 (mm)	101.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	18659
Basic static load rating Cor (lbs)	10678
Basic dynamic load rating Cr (N)	83000
Basic static load rating C0r (N)	47500
Fatigue limit load Cur (N)	3150
Factor f0	12.9
Limiting speed nG (rpm)	8,500
Reference speed nB (rpm)	6,800

Weight

Weight (kg)	1.55

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2
Shaft shoulder da (mm)	58
Housing shoulder Da (mm)	107
Housing fillet ra max (mm)	2

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,800 rpm
4	20,750	64	381
6	13,833	216	1,286
8	10,375	512	3,048
10	8,300	1,000	5,952
15	5,533	3,375	20,089

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 83,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	FAG
Source catalogue	FAG / Schaeffler Rolling Bearings HR 1
Catalogue page	p.252 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
7409B	NSK	Ball	45	120	29	16,600 lbs	1.769
409	NSK	Cylindrical Roller	45	120	29	24,000 lbs	1.607

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
NJ409-XL-M1	FAG	Cylindrical Roller	45	120	29	143 kN	1.9
NU409-XL-M1	FAG	Cylindrical Roller	45	120	29	143 kN	1.87
7409-B-XL-MP	FAG	Precision / Angular Contact	45	120	29	86 kN	1.684

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
11209-TVH	FAG	Ball	45	85	19	22 kN	0.78
1209-K-TVH-C3	FAG	Ball	45	85	19	22 kN	0.454
1209-TVH	FAG	Ball	45	85	19	22 kN	0.462
1309-K-TVH-C3	FAG	Ball	45	100	25	38.5 kN	0.939
1309-TVH	FAG	Ball	45	100	25	38.5 kN	0.953
16009	FAG	Ball	45	75	10	16.5 kN	0.16
2209-2RS-TVH	FAG	Ball	45	85	23	22 kN	0.548
2209-K-2RS-TVH-C3	FAG	Ball	45	85	23	22 kN	0.535

Request a quotation for 6409

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