61948FAGBall

Name: FAG 61948 Ball Bearing
Brand: FAG
SKU: 61948

61948 is a FAG ball bearing, bore 240 mm, O.D. 320 mm, width 38 mm, dynamic rating 211 kN. Dimensions, drawing, interchanges and price.

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Bore d240mm

Outside dia. D320mm

Width B38mm

Dynamic Cr211kN

Static C0r240kN

Limiting speed2,600rpm

Weight6.88kg

Cr / C0r0.88

Mean dia. dm280mm

Original catalogue drawing - FAG Schaeffler HR 1, page 274

61948 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	240	9.4488
D	Outside diameter	320	12.5984
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)	240
Outside dia. D (mm)	320
Width B (mm)	38
Inner-ring OD d1 (mm)	262.9
Inner-ring shoulder dia. D1 (mm)	298

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	47435
Basic static load rating Cor (lbs)	53954
Basic dynamic load rating Cr (N)	211000
Basic static load rating C0r (N)	240000
Fatigue limit load Cur (N)	8400
Factor f0	16.4
Limiting speed nG (rpm)	2,600
Reference speed nB (rpm)	2,330

Weight

Weight (kg)	6.88

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Shaft shoulder da (mm)	250.2
Housing shoulder Da (mm)	309.8
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 800 rpm
4	52,750	64	1,333
6	35,167	216	4,500
8	26,375	512	10,667
10	21,100	1,000	20,833
15	14,067	3,375	70,312

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 211,000 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
6948	NSK	Ball	240	320	38	170 kN	8.49

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B71948-C-T-P4S	FAG	Precision / Angular Contact	240	320	38	224 kN	7.08
B71948-E-T-P4S	FAG	Precision / Angular Contact	240	320	38	212 kN	7.06

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
16048	FAG	Ball	240	360	37	204 kN	12.7
6048-M	FAG	Ball	240	360	56	255 kN	20.5
61848	FAG	Ball	240	300	28	100 kN	3.769
6248-M	FAG	Ball	240	440	72	360 kN	51.3
6348-M	FAG	Ball	240	500	95	465 kN	96.4
QJ248-N2-MPA	FAG	Ball	240	440	72	680 kN	53.1
QJ348-N2-MPA	FAG	Ball	240	500	95	1020 kN	98.2

Request a quotation for 61948

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