61806-2ZFAGBall

Name: FAG 61806-2Z Ball Bearing
Brand: FAG
SKU: 61806-2Z

61806-2Z is a FAG ball bearing, bore 30 mm, O.D. 42 mm, width 7 mm, dynamic rating 4.5 kN. Dimensions, drawing, interchanges and price.

Shielded both sides

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Bore d30mm

Outside dia. D42mm

Width B7mm

Dynamic Cr4.5kN

Static C0r2.95kN

Limiting speed20,800rpm

Weight0.027kg

Cr / C0r1.53

Mean dia. dm36mm

Original catalogue drawing - FAG Schaeffler HR 1, page 246

61806-2Z 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	30	1.1811
D	Outside diameter	42	1.6535
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)	30
Outside dia. D (mm)	42
Width B (mm)	7
Inner-ring OD d1 (mm)	33.1
Seal outside dia. D2 (mm)	39.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	1012
Basic static load rating Cor (lbs)	663
Basic dynamic load rating Cr (N)	4500
Basic static load rating C0r (N)	2950
Fatigue limit load Cur (N)	149
Factor f0	14.2
Limiting speed nG (rpm)	20,800
Reference speed nB (rpm)	11,500

Weight

Weight (kg)	0.027

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	0.3
Shaft shoulder da (mm)	32
Housing shoulder Da (mm)	40
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	1,125	64	356
6	750	216	1,200
8	562	512	2,844
10	450	1,000	5,556
15	300	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 4,500 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.246 (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
6806	NSK	Ball	30	42	7	1,010 lbs	0.023

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61806	FAG	Ball	30	42	7	4.5 kN	0.027
61806-2RSR	FAG	Ball	30	42	7	4.5 kN	0.027
71806-B-TVH	FAG	Precision / Angular Contact	30	42	7	5.6 kN	0.025

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61806	FAG	Ball	30	42	7	4.5 kN	0.027
61806-2RSR	FAG	Ball	30	42	7	4.5 kN	0.027

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
11206-TVH	FAG	Ball	30	62	16	15.9 kN	0.364
1206-K-TVH-C3	FAG	Ball	30	62	16	15.9 kN	0.217
1206-TVH	FAG	Ball	30	62	16	15.9 kN	0.221
1306-K-TVH-C3	FAG	Ball	30	72	19	21.7 kN	0.379
1306-TVH	FAG	Ball	30	72	19	21.7 kN	0.384
16006	FAG	Ball	30	55	9	11.9 kN	0.082
2206-2RS-TVH	FAG	Ball	30	62	20	15.9 kN	0.274
2206-K-2RS-TVH-C3	FAG	Ball	30	62	20	15.9 kN	0.268

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