SIFT BEARING STORE CATALOG

61844FAGBall

61844 is a FAG ball bearing, bore 220 mm, O.D. 270 mm, width 24 mm, dynamic rating 78 kN. Dimensions, drawing, interchanges and price.

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Bore d220mm
Outside dia. D270mm
Width B24mm
Dynamic Cr78kN
Static C0r97kN
Limiting speed3,200rpm
Weight2.62kg
Cr / C0r0.8
Mean dia. dm245mm

Original catalogue drawing - FAG Schaeffler HR 1, page 274

61844 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

DdBOutside dia. D270 mmBore d220 mmWidth B24 mm

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)

SymbolDimensionmminch
dBore diameter2208.6614
DOutside diameter27010.6299
BInner-ring / bearing width240.9449
rChamfer (min)1.50.0591

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)270
Width B (mm)24
Inner-ring OD d1 (mm)235.9
Inner-ring shoulder dia. D1 (mm)255

Load ratings & speeds

Basic dynamic load rating Cr (lbs)17535
Basic static load rating Cor (lbs)21806
Basic dynamic load rating Cr (N)78000
Basic static load rating C0r (N)97000
Fatigue limit load Cur (N)3550
Factor f015.9
Limiting speed nG (rpm)3,200
Reference speed nB (rpm)2,320

Weight

Weight (kg)2.62

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)1.5
Shaft shoulder da (mm)227
Housing shoulder Da (mm)263
Housing fillet ra max (mm)1.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,000 rpm
419,500641,067
613,0002163,600
89,7505128,533
107,8001,00016,667
155,2003,37556,250

Basic rating life per ISO 281: L10 = (C/P)3 with C = 78,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.274 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6844NSKBall2202702484 kN2.9
NCF1844VNSKCylindrical Roller22027024235 kN2.7

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
SL181844FAGCylindrical Roller22027024187 kN2.8

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
16044FAGBall22034037200 kN11.8
6044-MFAGBall22034056245 kN18.8
61944FAGBall22030038186 kN6.372
6244-MFAGBall22040065300 kN37.9
6344-MFAGBall22046088440 kN73.7
QJ244-N2-MPAFAGBall22040065630 kN38.6
QJ344-N2-MPAFAGBall22046088900 kN77.1

Request a quotation for 61844

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.