SIFT BEARING STORE CATALOG

6221-2RSRFAGBall

6221-2RSR is a FAG ball bearing, bore 105 mm, O.D. 190 mm, width 36 mm, dynamic rating 141 kN. Dimensions, drawing, interchanges and price.

Sealed both sides
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Bore d105mm
Outside dia. D190mm
Width B36mm
Dynamic Cr141kN
Static C0r105kN
Limiting speed2,030rpm
Weight3.73kg
Cr / C0r1.34
Mean dia. dm147.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 268

6221-2RSR 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. D190 mmBore d105 mmWidth B36 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 width361.4173
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)36
Inner-ring OD d1 (mm)131.5
Seal outside dia. D2 (mm)168.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)31698
Basic static load rating Cor (lbs)23605
Basic dynamic load rating Cr (N)141000
Basic static load rating C0r (N)105000
Fatigue limit load Cur (N)5700
Factor f014.4
Limiting speed nG (rpm)2,030

Weight

Weight (kg)3.73

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 600 rpm
435,250641,778
623,5002166,000
817,62551214,222
1014,1001,00027,778
159,4003,37593,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 141,000 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.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1221NSKBall1051903682.5 kN4.43
6221NSKBall1051903629,900 lbs3.697
7221BNSKBall1051903630,400 lbs4.4
BL221NSKBall1051903639,200 lbs4.173
221NSKCylindrical Roller1051903645,100 lbs4.051
HR30221NSKTapered Roller10519036345 kN4.51
HR30221JNSKTapered Roller1051903662,900 lbs4.509
7221NSKPrecision / Angular Contact10519036172 kN3.84
7221A5NSKPrecision / Angular Contact1051903634,800 lbs3.769
7221CNSKPrecision / Angular Contact1051903636,600 lbs3.729

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1221-MFAGBall1051903675 kN4.75
6221FAGBall10519036141 kN3.88
6221-2ZFAGBall10519036141 kN3.99
QJ221-N2-MPAFAGBall10519036233 kN4.81
N221-E-M1FAGCylindrical Roller10519036310 kN4.63
N221-E-XL-M1FAGCylindrical Roller10519036310 kN4.63
NJ221-E-TVP2FAGCylindrical Roller10519036310 kN4.17
NJ221-E-XL-TVP2FAGCylindrical Roller10519036310 kN4.17

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
6221FAGBall10519036141 kN3.88
6221-2ZFAGBall10519036141 kN3.99

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1221-MFAGBall1051903675 kN4.75
1321-MFAGBall10522549158 kN10.3
16021FAGBall1051601857 kN1.244
6021FAGBall1051602675 kN1.67
6021-2RSRFAGBall1051602675 kN1.6
6021-2ZFAGBall1051602675 kN1.7
61821-2RSR-YFAGBall1051301322.1 kN0.33
61821-2RZ-YFAGBall1051301322.1 kN0.35

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