4304-B-TVHFAGBall

Name: FAG 4304-B-TVH Ball Bearing
Brand: FAG
SKU: 4304-B-TVH

4304-B-TVH is a FAG ball bearing, bore 20 mm, O.D. 52 mm, width 21 mm, dynamic rating 26 kN. Dimensions, drawing, interchanges and price.

Polyamide cage

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Bore d20mm

Outside dia. D52mm

Width B21mm

Dynamic Cr26kN

Static C0r16.8kN

Limiting speed11,100rpm

Weight0.19kg

Cr / C0r1.55

Mean dia. dm36mm

Original catalogue drawing - FAG Schaeffler HR 1, page 276

4304-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	20	0.7874
D	Outside diameter	52	2.0472
B	Inner-ring / bearing width	21	0.8268
r	Chamfer (min)	1.1	0.0433

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)	20
Outside dia. D (mm)	52
Width B (mm)	21
Inner-ring OD d1 (mm)	31.5
Inner-ring shoulder dia. D1 (mm)	42.3

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	5845
Basic static load rating Cor (lbs)	3777
Basic dynamic load rating Cr (N)	26000
Basic static load rating C0r (N)	16800
Fatigue limit load Cur (N)	850
Factor f0	13
Limiting speed nG (rpm)	11,100

Weight

Weight (kg)	0.19

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1.1
Shaft shoulder da (mm)	27
Housing shoulder Da (mm)	45
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	6,500	64	356
6	4,333	216	1,200
8	3,250	512	2,844
10	2,600	1,000	5,556
15	1,733	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 26,000 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.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
2304	NSK	Ball	20	52	21	4,050 lbs	0.236
HR32304	NSK	Tapered Roller	20	52	21	56 kN	0.241
HR32304C	NSK	Tapered Roller	20	52	21	9,440 lbs	0.234
HR32304J	NSK	Tapered Roller	20	52	21	10,200 lbs	0.24
32304	Timken	Tapered Roller	20	52	21	55.2 kN	0.24

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2304-2RS-TVH	FAG	Ball	20	52	21	12.7 kN	0.23
2304-TVH	FAG	Ball	20	52	21	17.6 kN	0.206
62304-2RSR	FAG	Ball	20	52	21	16.9 kN	0.2
NJ2304-E-TVP2	FAG	Cylindrical Roller	20	52	21	48.5 kN	0.219
NJ2304-E-XL-TVP2	FAG	Cylindrical Roller	20	52	21	49.5 kN	0.219
NU2304-E-TVP2	FAG	Cylindrical Roller	20	52	21	48.5 kN	0.215
NU2304-E-XL-TVP2	FAG	Cylindrical Roller	20	52	21	49.5 kN	0.215
NUP2304-E-TVP2	FAG	Cylindrical Roller	20	52	21	48.5 kN	0.224

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
11204-TVH	FAG	Ball	20	47	14	10.1 kN	0.085
1204-K-TVH-C3	FAG	Ball	20	47	14	10.1 kN	0.116
1204-TVH	FAG	Ball	20	47	14	10.1 kN	0.118
1304-TVH	FAG	Ball	20	52	15	12.7 kN	0.163
16004	FAG	Ball	20	42	8	7.4 kN	0.048
2204-2RS-TVH	FAG	Ball	20	47	18	10.1 kN	0.151
2204-TVH	FAG	Ball	20	47	18	14.7 kN	0.134
2304-2RS-TVH	FAG	Ball	20	52	21	12.7 kN	0.23

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