618/670-MFAGBall

Name: FAG 618/670-M Ball Bearing
Brand: FAG
SKU: 618/670-M

618/670-M is a FAG ball bearing, bore 670 mm, O.D. 820 mm, width 69 mm, dynamic rating 405 kN. Dimensions, drawing, interchanges and price.

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Bore d670mm

Outside dia. D820mm

Width B69mm

Dynamic Cr405kN

Static C0r815kN

Limiting speed1,500rpm

Weight80.4kg

Cr / C0r0.5

Mean dia. dm745mm

Original catalogue drawing - FAG Schaeffler HR 1, page 222

618/670-M 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	670	26.378
D	Outside diameter	820	32.2835
B	Inner-ring / bearing width	69	2.7165
r	Chamfer (min)	4	0.1575

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)	670
Outside dia. D (mm)	820
Width B (mm)	69
Inner-ring OD d1 (mm)	721.1
Inner-ring shoulder dia. D1 (mm)	770.3

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	91048
Basic static load rating Cor (lbs)	183219
Basic dynamic load rating Cr (N)	405000
Basic static load rating C0r (N)	815000
Fatigue limit load Cur (N)	17700
Limiting speed nG (rpm)	1,500
Reference speed nB (rpm)	760

Weight

Weight (kg)	80.4

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	4
Shaft shoulder da (mm)	684.6
Housing shoulder Da (mm)	805.4
Housing fillet ra max (mm)	3

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	101,250	64	2,133
6	67,500	216	7,200
8	50,625	512	17,067
10	40,500	1,000	33,333
15	27,000	3,375	112,500

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 405,000 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.222 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
618/500-M	FAG	Ball	500	620	56	300 kN	38.7
618/530-M	FAG	Ball	530	650	56	305 kN	41.3
618/560-M	FAG	Ball	560	680	56	310 kN	35.1
618/600-M	FAG	Ball	600	730	60	355 kN	54.2
618/630-M	FAG	Ball	630	780	69	400 kN	75.9
618/710-M	FAG	Ball	710	870	74	465 kN	96
618/750-M	FAG	Ball	750	920	78	510 kN	114
618/800-M	FAG	Ball	800	980	82	550 kN	136

Request a quotation for 618/670-M

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