623-2ZFAGBall

Name: FAG 623-2Z Ball Bearing
Brand: FAG
SKU: 623-2Z

623-2Z is a FAG ball bearing, bore 3 mm, O.D. 10 mm, width 4 mm, dynamic rating 0.6 kN. Dimensions, drawing, interchanges and price.

Shielded both sides

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Bore d3mm

Outside dia. D10mm

Width B4mm

Dynamic Cr0.64kN

Static C0r0.22kN

Limiting speed45,000rpm

Weight0.001kg

Cr / C0r2.91

Mean dia. dm6.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 196

623-2Z 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	3	0.1181
D	Outside diameter	10	0.3937
B	Inner-ring / bearing width	4	0.1575
r	Chamfer (min)	0.15	0.0059

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)	3
Outside dia. D (mm)	10
Width B (mm)	4
Inner-ring OD d1 (mm)	5
Seal outside dia. D2 (mm)	8.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	144
Basic static load rating Cor (lbs)	49
Basic dynamic load rating Cr (N)	640
Basic static load rating C0r (N)	220
Fatigue limit load Cur (N)	10.6
Limiting speed nG (rpm)	45,000
Reference speed nB (rpm)	57,000

Weight

Weight (kg)	0.001

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	0.15
Shaft shoulder da (mm)	4.4
Housing shoulder Da (mm)	8.6
Housing fillet ra max (mm)	0.15

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	160	64	356
6	107	216	1,200
8	80	512	2,844
10	64	1,000	5,556
15	43	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 640 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.196 (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
623	NSK	Ball	3	10	4	141 lbs	0.001

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
623	FAG	Ball	3	10	4	0.6 kN	0.001
623-2RSR	FAG	Ball	3	10	4	0.6 kN	0.001

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
623	FAG	Ball	3	10	4	0.6 kN	0.001
623-2RSR	FAG	Ball	3	10	4	0.6 kN	0.001

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
683-2Z	FAG	Ball	3	7	3	0.3 kN	0.001
693-2Z	FAG	Ball	3	8	4	0.6 kN	0.001
602-2Z	FAG	Ball	2	7	3.5	0.4 kN	0.001
682-2Z	FAG	Ball	2	5	2.3	0.2 kN	0.001
692-2Z	FAG	Ball	2	6	3	0.3 kN	0.002
604-2Z	FAG	Ball	4	12	4	1 kN	0.002
624	FAG	Ball	4	13	5	1.3 kN	0.003
624-2RSR	FAG	Ball	4	13	5	1.3 kN	0.003

Request a quotation for 623-2Z

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