6301FAGBall

Name: FAG 6301 Ball Bearing
Brand: FAG
SKU: 6301

6301 is a FAG ball bearing, bore 12 mm, O.D. 37 mm, width 12 mm, dynamic rating 9.7 kN. Dimensions, drawing, interchanges and price.

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Bore d12mm

Outside dia. D37mm

Width B12mm

Dynamic Cr9.65kN

Static C0r4.15kN

Limiting speed53,000rpm

Weight0.062kg

Cr / C0r2.33

Mean dia. dm24.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 198

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	12	0.4724
D	Outside diameter	37	1.4567
B	Inner-ring / bearing width	12	0.4724
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)	12
Outside dia. D (mm)	37
Width B (mm)	12
Inner-ring OD d1 (mm)	19.5
Inner-ring shoulder dia. D1 (mm)	29.6

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	2169
Basic static load rating Cor (lbs)	933
Basic dynamic load rating Cr (N)	9650
Basic static load rating C0r (N)	4150
Fatigue limit load Cur (N)	280
Limiting speed nG (rpm)	53,000
Reference speed nB (rpm)	20,000

Weight

Weight (kg)	0.062

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1
Shaft shoulder da (mm)	17.6
Housing shoulder Da (mm)	31.4
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	2,412	64	356
6	1,608	216	1,200
8	1,206	512	2,844
10	965	1,000	5,556
15	643	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 9,650 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.198 (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
1301	NSK	Ball	12	37	12	2,140 lbs	0.068
6301	NSK	Ball	12	37	12	2,180 lbs	0.059
7301B	NSK	Ball	12	37	12	1,980 lbs	0.064
7301	NSK	Precision / Angular Contact	12	37	12	10.4 kN	0.06

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1301-TVH	FAG	Ball	12	37	12	9.8 kN	0.067
6301-2RSR	FAG	Ball	12	37	12	9.7 kN	0.064
6301-2Z	FAG	Ball	12	37	12	9.7 kN	0.064
6301-C	FAG	Ball	12	37	12	10.9 kN	0.062
6301-C-2BRS	FAG	Ball	12	37	12	10.9 kN	0.064
6301-C-2HRS	FAG	Ball	12	37	12	10.9 kN	0.064
6301-C-2Z	FAG	Ball	12	37	12	10.9 kN	0.061
S6301	FAG	Ball	12	37	12	9.7 kN	0.063

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6301-2RSR	FAG	Ball	12	37	12	9.7 kN	0.064
6301-2Z	FAG	Ball	12	37	12	9.7 kN	0.064
6301-C	FAG	Ball	12	37	12	10.9 kN	0.062
6301-C-2BRS	FAG	Ball	12	37	12	10.9 kN	0.064
6301-C-2HRS	FAG	Ball	12	37	12	10.9 kN	0.064
6301-C-2Z	FAG	Ball	12	37	12	10.9 kN	0.061

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1201-TVH	FAG	Ball	12	32	10	5.7 kN	0.041
1301-TVH	FAG	Ball	12	37	12	9.8 kN	0.067
2201-2RS-TVH	FAG	Ball	12	32	14	5.7 kN	0.058
2201-TVH	FAG	Ball	12	32	14	9.4 kN	0.05
4201-B-TVH	FAG	Ball	12	32	14	11.1 kN	0.051
6001	FAG	Ball	12	28	8	5.1 kN	0.02
6001-2RSR	FAG	Ball	12	28	8	5.1 kN	0.022
6001-2Z	FAG	Ball	12	28	8	5.1 kN	0.02

Request a quotation for 6301

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