30204-AFAGTapered Roller

Name: FAG 30204-A Tapered Roller Bearing
Brand: FAG
SKU: 30204-A

30204-A is a FAG tapered roller bearing, bore 20 mm, O.D. 47 mm, width 14 mm, dynamic rating 26.5 kN. Dimensions, drawing, interchanges and price.

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Bore d20mm

Outside dia. D47mm

Width B14mm

Dynamic Cr26.5kN

Static C0r26.5kN

Limiting speed17,000rpm

Weight0.092kg

Cr / C0r1

Mean dia. dm33.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 476

30204-A FAG Tapered Roller 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	47	1.8504
B	Inner-ring / bearing width	14	0.5512
T	Overall assembly width	15.25	0.6004
C	Cup / outer-ring width	12	0.4724

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)	47
Width B (mm)	14
Overall width T (mm)	15.25
Cup width C (mm)	12
Inner-ring OD d1 (mm)	34.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	5957
Basic static load rating Cor (lbs)	5957
Basic dynamic load rating Cr (N)	26500
Basic static load rating C0r (N)	26500
Basic dynamic axial rating Ca (N)	2
Fatigue limit load Cur (N)	2900
Factor e	0.35
Factor Y	1.74
Factor Y0	0.96
Limiting speed nG (rpm)	17,000
Reference speed nB (rpm)	10,500
Effective load centre a (mm)	11

Weight

Weight (kg)	0.092

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)	1
Shaft shoulder da (mm)	27
Shaft shoulder db (mm)	26
Housing shoulder Da (mm)	41
Housing shoulder Db (mm)	43
Housing fillet ra max (mm)	1
Fillet rb 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	6,625	102	564
6	4,417	392	2,181
8	3,312	1,024	5,689
10	2,650	2,154	11,969
15	1,767	8,323	46,241

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 26,500 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.476 (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
1204	NSK	Ball	20	47	14	2,250 lbs	0.118
6204	NSK	Ball	20	47	14	2,880 lbs	0.104
7204B	NSK	Ball	20	47	14	2,800 lbs	0.109
HR30204	NSK	Tapered Roller	20	47	14	34.5 kN	0.127
HR30204C	NSK	Tapered Roller	20	47	14	5,370 lbs	0.122
HR30204J	NSK	Tapered Roller	20	47	14	6,270 lbs	0.127
7204	NSK	Precision / Angular Contact	20	47	14	15.9 kN	0.106
7204A5	NSK	Precision / Angular Contact	20	47	14	3,150 lbs	0.1
7204C	NSK	Precision / Angular Contact	20	47	14	3,260 lbs	0.1
7500	NSK	Precision / Angular Contact	20	47	14	14.7 kN	0.109

Same dimensions, same brand

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
6204	FAG	Ball	20	47	14	12.7 kN	0.106
6204-2RSR	FAG	Ball	20	47	14	12.7 kN	0.11
6204-2Z	FAG	Ball	20	47	14	12.7 kN	0.11
6204-C	FAG	Ball	20	47	14	13.9 kN	0.106
6204-C-2BRS	FAG	Ball	20	47	14	13.9 kN	0.104

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30204-XL	FAG	Tapered Roller	20	47	14	32 kN	0.121

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30304-A	FAG	Tapered Roller	20	52	15	34 kN	0.188
31304	FAG	Tapered Roller	20	52	15	30 kN	0.174
32004-X	FAG	Tapered Roller	20	42	15	23.5 kN	0.108
32004-X-XL	FAG	Tapered Roller	20	42	15	28.5 kN	0.111
32204-B-XL	FAG	Tapered Roller	20	47	18	39 kN	0.17
32204-XL	FAG	Tapered Roller	20	47	18	40.5 kN	0.165
32304-A	FAG	Tapered Roller	20	52	21	45.5 kN	0.241
32904	FAG	Tapered Roller	20	37	12	15.7 kN	0.053

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