SIFT BEARING STORE CATALOG

33021FAGTapered Roller

33021 is a FAG tapered roller bearing, bore 105 mm, O.D. 160 mm, width 43 mm, dynamic rating 265 kN. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D160mm
Width B43mm
Dynamic Cr265kN
Static C0r450kN
Limiting speed4,300rpm
Weight3.34kg
Cr / C0r0.59
Mean dia. dm132.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 486

33021 FAG Tapered Roller 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. D160 mmBore d105 mmWidth B43 mmCup width C34 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 diameter1606.2992
BInner-ring / bearing width431.6929
TOverall assembly width431.6929
CCup / outer-ring width341.3386

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)160
Width B (mm)43
Overall width T (mm)43
Cup width C (mm)34
Inner-ring OD d1 (mm)131.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)59574
Basic static load rating Cor (lbs)101164
Basic dynamic load rating Cr (N)265000
Basic static load rating C0r (N)450000
Basic dynamic axial rating Ca (N)7
Fatigue limit load Cur (N)53000
Factor e0.28
Factor Y2.12
Factor Y01.17
Limiting speed nG (rpm)4,300
Reference speed nB (rpm)2,240
Effective load centre a (mm)31

Weight

Weight (kg)3.34

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)2.5
Shaft shoulder da (mm)116
Shaft shoulder db (mm)115
Housing shoulder Da (mm)150
Housing shoulder Db (mm)153
Housing fillet ra max (mm)2.5
Fillet rb max (mm)2

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,400 rpm
466,2501021,209
644,1673924,673
833,1251,02412,190
1026,5002,15425,648
1517,6678,32399,089

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 265,000 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.486 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
HR33021NSKTapered Roller10516043315 kN3.03
HR33021JNSKTapered Roller1051604357,600 lbs3.03
33021TimkenTapered Roller10516043291 kN2.94
X33021M/Y33021MTimkenTapered Roller10516043--

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30221-AFAGTapered Roller10519036280 kN4.23
30221-XLFAGTapered Roller10519036330 kN4.46
30321-XLFAGTapered Roller10522549530 kN10.5
31321-X-XLFAGTapered Roller10522553480 kN10
32021-XFAGTapered Roller10516035202 kN2.33
32021-X-XLFAGTapered Roller10516035238 kN2.45
32021-X-XL-DF-A280-330FAGTapered Roller105160None410 kN5.11
32221-AFAGTapered Roller10519050385 kN6.07

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