SIFT BEARING STORE CATALOG

3221-MFAGPrecision / Angular Contact

3221-M is a FAG precision / angular contact bearing, bore 105 mm, O.D. 190 mm, width 65.1 mm. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D190mm
Width B65.1mm
Dynamic Cr213kN
Static C0r247kN
Limiting speed3,200rpm
Weight7.78kg
Cr / C0r0.86
Mean dia. dm147.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 268

3221-M FAG Precision / Angular Contact 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. D190 mmBore d105 mmWidth B65.1 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 diameter1054.1339
DOutside diameter1907.4803
BInner-ring / bearing width65.12.563
rChamfer (min)2.10.0827

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)105
Outside dia. D (mm)190
Width B (mm)65.1
Inner-ring OD d1 (mm)138
Inner-ring shoulder dia. D1 (mm)172.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)47884
Basic static load rating Cor (lbs)55528
Basic dynamic load rating Cr (N)213000
Basic static load rating C0r (N)247000
Fatigue limit load Cur (N)11100
Limiting speed nG (rpm)3,200
Reference speed nB (rpm)4,000
Effective load centre a (mm)135

Weight

Weight (kg)7.78

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2.1
Shaft shoulder da (mm)117
Housing shoulder Da (mm)178
Housing fillet ra max (mm)2.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,000 rpm
453,250641,067
635,5002163,600
826,6255128,533
1021,3001,00016,667
1514,2003,37556,250

Basic rating life per ISO 281: L10 = (C/P)3 with C = 213,000 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.268 (dimensions)

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

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
7221-B-MPFAGPrecision / Angular Contact10519036144 kN4.18
7221-B-XL-MPFAGPrecision / Angular Contact10519036155 kN4.18
7321-B-MPFAGPrecision / Angular Contact10522549209 kN9
7321-B-XL-MPFAGPrecision / Angular Contact10522549225 kN9.3
B7021-C-T-P4SFAGPrecision / Angular Contact1051602683 kN1.52
B7021-E-T-P4SFAGPrecision / Angular Contact1051602678 kN1.51
B71921-C-T-P4SFAGPrecision / Angular Contact1051452058.5 kN0.814
B71921-E-T-P4SFAGPrecision / Angular Contact1051452055 kN0.813

Request a quotation for 3221-M

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