61944FAGBall

Name: FAG 61944 Ball Bearing
Brand: FAG
SKU: 61944

61944 is a FAG ball bearing, bore 220 mm, O.D. 300 mm, width 38 mm, dynamic rating 186 kN. Dimensions, drawing, interchanges and price.

Request a quote WhatsApp Email us Search the catalog

Bore d220mm

Outside dia. D300mm

Width B38mm

Dynamic Cr186kN

Static C0r202kN

Limiting speed2,850rpm

Weight6.372kg

Cr / C0r0.92

Mean dia. dm260mm

Original catalogue drawing - FAG Schaeffler HR 1, page 274

61944 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	220	8.6614
D	Outside diameter	300	11.811
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)	220
Outside dia. D (mm)	300
Width B (mm)	38
Inner-ring OD d1 (mm)	244.6
Inner-ring shoulder dia. D1 (mm)	276.4

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	41814
Basic static load rating Cor (lbs)	45411
Basic dynamic load rating Cr (N)	186000
Basic static load rating C0r (N)	202000
Fatigue limit load Cur (N)	6900
Factor f0	16.4
Limiting speed nG (rpm)	2,850
Reference speed nB (rpm)	2,600

Weight

Weight (kg)	6.372

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Shaft shoulder da (mm)	230.2
Housing shoulder Da (mm)	289.8
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 900 rpm
4	46,500	64	1,185
6	31,000	216	4,000
8	23,250	512	9,481
10	18,600	1,000	18,519
15	12,400	3,375	62,500

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 186,000 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
6944	NSK	Ball	220	300	38	161 kN	7.88

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B71944-C-T-P4S	FAG	Precision / Angular Contact	220	300	38	216 kN	6.57
B71944-E-T-P4S	FAG	Precision / Angular Contact	220	300	38	204 kN	6.55

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
16044	FAG	Ball	220	340	37	200 kN	11.8
6044-M	FAG	Ball	220	340	56	245 kN	18.8
61844	FAG	Ball	220	270	24	78 kN	2.62
6244-M	FAG	Ball	220	400	65	300 kN	37.9
6344-M	FAG	Ball	220	460	88	440 kN	73.7
QJ244-N2-MPA	FAG	Ball	220	400	65	630 kN	38.6
QJ344-N2-MPA	FAG	Ball	220	460	88	900 kN	77.1

Request a quotation for 61944

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516