4303-B-TVHFAGBall

Name: FAG 4303-B-TVH Ball Bearing
Brand: FAG
SKU: 4303-B-TVH

4303-B-TVH is a FAG ball bearing, bore 17 mm, O.D. 47 mm, width 19 mm, dynamic rating 20.9 kN. Dimensions, drawing, interchanges and price.

Polyamide cage

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Bore d17mm

Outside dia. D47mm

Width B19mm

Dynamic Cr20.9kN

Static C0r13.2kN

Limiting speed12,500rpm

Weight0.178kg

Cr / C0r1.58

Mean dia. dm32mm

Original catalogue drawing - FAG Schaeffler HR 1, page 276

4303-B-TVH 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	17	0.6693
D	Outside diameter	47	1.8504
B	Inner-ring / bearing width	19	0.748
r	Chamfer (min)	1	0.0394

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)	17
Outside dia. D (mm)	47
Width B (mm)	19
Inner-ring OD d1 (mm)	28.4
Inner-ring shoulder dia. D1 (mm)	38.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	4699
Basic static load rating Cor (lbs)	2967
Basic dynamic load rating Cr (N)	20900
Basic static load rating C0r (N)	13200
Fatigue limit load Cur (N)	670
Factor f0	13.1
Limiting speed nG (rpm)	12,500

Weight

Weight (kg)	0.178

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1
Shaft shoulder da (mm)	22.6
Housing shoulder Da (mm)	41.4
Housing fillet ra max (mm)	1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	5,225	64	356
6	3,483	216	1,200
8	2,612	512	2,844
10	2,090	1,000	5,556
15	1,393	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 20,900 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.276 (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
2303	NSK	Ball	17	47	19	3,210 lbs	0.177
32303	NSK	Tapered Roller	17	47	19	7,530 lbs	0.177
HR32303	NSK	Tapered Roller	17	47	19	46 kN	0.178

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2303-2RS-TVH	FAG	Ball	17	47	19	12.9 kN	0.175
2303-TVH	FAG	Ball	17	47	19	13.9 kN	0.155
62303-2RSR	FAG	Ball	17	47	19	14.3 kN	0.152
32303-A	FAG	Tapered Roller	17	47	19	36 kN	0.18

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1203-TVH	FAG	Ball	17	40	12	8.1 kN	0.073
1303-TVH	FAG	Ball	17	47	14	12.9 kN	0.065
16003	FAG	Ball	17	35	8	6.4 kN	0.032
2203-2RS-TVH	FAG	Ball	17	40	16	8.1 kN	0.098
2203-TVH	FAG	Ball	17	40	16	11.8 kN	0.054
2303-2RS-TVH	FAG	Ball	17	47	19	12.9 kN	0.175
2303-TVH	FAG	Ball	17	47	19	13.9 kN	0.155
4203-B-TVH	FAG	Ball	17	40	16	15.6 kN	0.1

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