618/850-MFAGBall

Name: FAG 618/850-M Ball Bearing
Brand: FAG
SKU: 618/850-M

618/850-M is a FAG ball bearing, bore 850 mm, O.D. 1030 mm, width 82 mm, dynamic rating 560 kN. Dimensions, drawing, interchanges and price.

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Bore d850mm

Outside dia. D1030mm

Width B82mm

Dynamic Cr560kN

Static C0r1290kN

Limiting speed1,200rpm

Weight144kg

Cr / C0r0.43

Mean dia. dm940mm

Original catalogue drawing - FAG Schaeffler HR 1, page 222

618/850-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	850	33.4646
D	Outside diameter	1030	40.5512
B	Inner-ring / bearing width	82	3.2283
r	Chamfer (min)	5	0.1969

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)	850
Outside dia. D (mm)	1030
Width B (mm)	82
Inner-ring OD d1 (mm)	910
Inner-ring shoulder dia. D1 (mm)	971.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	125893
Basic static load rating Cor (lbs)	290004
Basic dynamic load rating Cr (N)	560000
Basic static load rating C0r (N)	1.29e+06
Fatigue limit load Cur (N)	23900
Limiting speed nG (rpm)	1,200
Reference speed nB (rpm)	580

Weight

Weight (kg)	144.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	5
Shaft shoulder da (mm)	868
Housing shoulder Da (mm)	1012
Housing fillet ra max (mm)	4

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 400 rpm
4	140,000	64	2,667
6	93,333	216	9,000
8	70,000	512	21,333
10	56,000	1,000	41,667
15	37,333	3,375	140,625

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 560,000 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
618/670-M	FAG	Ball	670	820	69	405 kN	80.4
618/710-M	FAG	Ball	710	870	74	465 kN	96
618/750-M	FAG	Ball	750	920	78	510 kN	114

Request a quotation for 618/850-M

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