SIFT BEARING STORE CATALOG

61805-2ZFAGBall

61805-2Z is a FAG ball bearing, bore 25 mm, O.D. 37 mm, width 7 mm, dynamic rating 4.2 kN. Dimensions, drawing, interchanges and price.

Shielded both sides
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Bore d25mm
Outside dia. D37mm
Width B7mm
Dynamic Cr4.25kN
Static C0r2.55kN
Limiting speed24,000rpm
Weight0.02kg
Cr / C0r1.67
Mean dia. dm31mm

Original catalogue drawing - FAG Schaeffler HR 1, page 244

61805-2Z 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. D37 mmBore d25 mmWidth B7 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 diameter250.9843
DOutside diameter371.4567
BInner-ring / bearing width70.2756
rChamfer (min)0.30.0118

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)25
Outside dia. D (mm)37
Width B (mm)7
Inner-ring OD d1 (mm)28.2
Seal outside dia. D2 (mm)34.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)955
Basic static load rating Cor (lbs)573
Basic dynamic load rating Cr (N)4250
Basic static load rating C0r (N)2550
Fatigue limit load Cur (N)129
Factor f013.9
Limiting speed nG (rpm)24,000
Reference speed nB (rpm)13,900

Weight

Weight (kg)0.02

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)0.3
Shaft shoulder da (mm)27
Housing shoulder Da (mm)35
Housing fillet ra max (mm)0.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
41,06264356
67082161,200
85315122,844
104251,0005,556
152833,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 4,250 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.244 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6805NSKBall25377968 lbs0.023

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
61805FAGBall253774.2 kN0.023
61805-2RSRFAGBall253774.2 kN0.021

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
61805FAGBall253774.2 kN0.023
61805-2RSRFAGBall253774.2 kN0.021

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
11205-TVHFAGBall25521512.3 kN0.226
1205-K-TVH-C3FAGBall25521512.3 kN0.135
1205-TVHFAGBall25521512.3 kN0.138
1305-K-TVH-C3FAGBall25621718.3 kN0.254
1305-TVHFAGBall25621718.3 kN0.258
16005FAGBall254787.7 kN0.052
2205-2RS-TVHFAGBall25521812.3 kN0.161
2205-K-2RS-TVH-C3FAGBall25521812.3 kN0.157

Request a quotation for 61805-2Z

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.