61940FAGBall

Name: FAG 61940 Ball Bearing
Brand: FAG
SKU: 61940

61940 is a FAG ball bearing, bore 200 mm, O.D. 280 mm, width 38 mm, dynamic rating 158 kN. Dimensions, drawing, interchanges and price.

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Bore d200mm

Outside dia. D280mm

Width B38mm

Dynamic Cr158kN

Static C0r168kN

Limiting speed3,100rpm

Weight6.27kg

Cr / C0r0.94

Mean dia. dm240mm

Original catalogue drawing - FAG Schaeffler HR 1, page 274

61940 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	200	7.874
D	Outside diameter	280	11.0236
B	Inner-ring / bearing width	38	1.4961
r	Chamfer (min)	2.1	0.0827

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)	200
Outside dia. D (mm)	280
Width B (mm)	38
Inner-ring OD d1 (mm)	225.7
Inner-ring shoulder dia. D1 (mm)	255.3

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	35520
Basic static load rating Cor (lbs)	37768
Basic dynamic load rating Cr (N)	158000
Basic static load rating C0r (N)	168000
Fatigue limit load Cur (N)	6300
Factor f0	16.4
Limiting speed nG (rpm)	3,100
Reference speed nB (rpm)	2,950

Weight

Weight (kg)	6.27

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Shaft shoulder da (mm)	210.2
Housing shoulder Da (mm)	269.8
Housing fillet ra max (mm)	2.1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,000 rpm
4	39,500	64	1,067
6	26,333	216	3,600
8	19,750	512	8,533
10	15,800	1,000	16,667
15	10,533	3,375	56,250

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 158,000 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.274 (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
6940	NSK	Ball	200	280	38	32,100 lbs	7.176
7940A5	NSK	Precision / Angular Contact	200	280	38	40,100 lbs	6.922
7940C	NSK	Precision / Angular Contact	200	280	38	42,500 lbs	6.849

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B71940-C-T-P4S	FAG	Precision / Angular Contact	200	280	38	204 kN	6.03
B71940-E-T-P4S	FAG	Precision / Angular Contact	200	280	38	193 kN	6.01

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
16040	FAG	Ball	200	310	34	186 kN	9
6040-M	FAG	Ball	200	310	51	231 kN	14.4
61840	FAG	Ball	200	250	24	74 kN	2.35
6240-M	FAG	Ball	200	360	58	270 kN	27
6340-M	FAG	Ball	200	420	80	380 kN	56.6
QJ1040-N2-MPA	FAG	Ball	200	310	51	390 kN	15
QJ240-N2-MPA	FAG	Ball	200	360	58	510 kN	28

Request a quotation for 61940

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