61809-2Z-YFAGBall

Name: FAG 61809-2Z-Y Ball Bearing
Brand: FAG
SKU: 61809-2Z-Y

61809-2Z-Y is a FAG ball bearing, bore 45 mm, O.D. 58 mm, width 7 mm, dynamic rating 6.4 kN. Dimensions, drawing, interchanges and price.

Shielded both sides

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Bore d45mm

Outside dia. D58mm

Width B7mm

Dynamic Cr6.4kN

Static C0r5.6kN

Limiting speed11,000rpm

Weight0.039kg

Cr / C0r1.14

Mean dia. dm51.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 206

61809-2Z-Y FAG 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	45	1.7717
D	Outside diameter	58	2.2835
B	Inner-ring / bearing width	7	0.2756
r	Chamfer (min)	0.3	0.0118

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)	58
Width B (mm)	7
Inner-ring OD d1 (mm)	49.1
Seal outside dia. D2 (mm)	55.4

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	1439
Basic static load rating Cor (lbs)	1259
Basic dynamic load rating Cr (N)	6400
Basic static load rating C0r (N)	5600
Fatigue limit load Cur (N)	285
Limiting speed nG (rpm)	11,000
Reference speed nB (rpm)	9,000

Weight

Weight (kg)	0.039

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	0.3
Shaft shoulder da (mm)	47
Housing shoulder Da (mm)	56
Housing fillet ra max (mm)	0.3

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	1,600	64	356
6	1,067	216	1,200
8	800	512	2,844
10	640	1,000	5,556
15	427	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 6,400 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.206 (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
6809	NSK	Ball	45	58	7	1,210 lbs	0.036

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61809-2RSR-Y	FAG	Ball	45	58	7	7 kN	0.039
61809-2RZ-Y	FAG	Ball	45	58	7	7 kN	0.039
61809-Y	FAG	Ball	45	58	7	7 kN	0.039
71809-B-TVH	FAG	Precision / Angular Contact	45	58	7	6.6 kN	0.041

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61809-2RSR-Y	FAG	Ball	45	58	7	7 kN	0.039
61809-2RZ-Y	FAG	Ball	45	58	7	7 kN	0.039
61809-Y	FAG	Ball	45	58	7	7 kN	0.039

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

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