SIFT BEARING STORE CATALOG

T4DB045FAGTapered Roller

T4DB045 is a FAG tapered roller bearing, bore 45 mm, O.D. 85 mm, width 20 mm, dynamic rating 69 kN. Dimensions, drawing, interchanges and price.

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Bore d45mm
Outside dia. D85mm
Width B20mm
Dynamic Cr69kN
Static C0r77kN
Limiting speed8,700rpm
Weight0.497kg
Cr / C0r0.9
Mean dia. dm65mm

Original catalogue drawing - FAG Schaeffler HR 1, page 592

T4DB045 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. D85 mmBore d45 mmWidth B20 mmCup width C15.5 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 diameter451.7717
DOutside diameter853.3465
BInner-ring / bearing width200.7874
TOverall assembly width210.8268
CCup / outer-ring width15.50.6102

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)45
Outside dia. D (mm)85
Width B (mm)20
Overall width T (mm)21
Cup width C (mm)15.5
Inner-ring OD d1 (mm)63.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)15512
Basic static load rating Cor (lbs)17310
Basic dynamic load rating Cr (N)69000
Basic static load rating C0r (N)77000
Basic dynamic axial rating Ca (N)5
Fatigue limit load Cur (N)9200
Factor e0.46
Factor Y1.31
Factor Y00.72
Limiting speed nG (rpm)8,700
Reference speed nB (rpm)5,600
Effective load centre a (mm)19

Weight

Weight (kg)0.497

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)2
Shaft shoulder da (mm)53
Shaft shoulder db (mm)54
Housing shoulder Da (mm)74
Housing shoulder Db (mm)80
Housing fillet ra max (mm)2
Fillet rb max (mm)2

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,900 rpm
417,250102584
611,5003922,256
88,6251,0245,885
106,9002,15412,382
154,6008,32347,836

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 69,000 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.592 (dimensions)

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
T4DB020FAGTapered Roller20451422.2 kN0.103
T4DB032FAGTapered Roller326517.543.5 kN0.262
T4DB035FAGTapered Roller35701851 kN0.317
T4DB050FAGTapered Roller50902071 kN0.534
T4DB150FAGTapered Roller15021030217 kN3.1
T4DB160FAGTapered Roller16022030226 kN3.3
T4DB170FAGTapered Roller17023030231 kN4.31
T4DB180FAGTapered Roller18024030230 kN3.65

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30209-AFAGTapered Roller45851970 kN0.47
30209-XLFAGTapered Roller45851984 kN0.488
30309-AFAGTapered Roller4510025112 kN1
31309-AFAGTapered Roller451002595 kN0.998
31309-A-N11CA-A60-100FAGTapered Roller45100None163 kN2.1
31309-XLFAGTapered Roller4510025114 kN0.97
32009-X-XLFAGTapered Roller45752072 kN0.355
32009-XAFAGTapered Roller45752060 kN0.329

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