SIFT BEARING STORE CATALOG

K36990-36920-XLFAGTapered Roller

K36990-36920-XL is a FAG tapered roller bearing, bore 177.8 mm, O.D. 227.01 mm, width 30.16 mm. Dimensions, drawing, interchanges and price.

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Bore d177.8mm
Outside dia. D227.01mm
Width B30.16mm
Dynamic Cr221kN
Static C0r395kN
Limiting speed3,250rpm
Weight3.17kg
Cr / C0r0.56
Mean dia. dm202.4mm

Original catalogue drawing - FAG Schaeffler HR 1, page 630

K36990-36920-XL 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. D227.01 mmBore d177.8 mmWidth B30.16 mmCup width C23.02 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 diameter177.87
DOutside diameter227.0128.9375
BInner-ring / bearing width30.1621.1875
TOverall assembly width30.1621.1875
CCup / outer-ring width23.020.9063

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)177.8
Outside dia. D (mm)227.012
Width B (mm)30.162
Overall width T (mm)30.162
Cup width C (mm)23.02
Inner-ring OD d1 (mm)203.6

Load ratings & speeds

Basic dynamic load rating Cr (lbs)49683
Basic static load rating Cor (lbs)88800
Basic dynamic load rating Cr (N)221000
Basic static load rating C0r (N)395000
Basic dynamic axial rating Ca (N)4
Fatigue limit load Cur (N)51000
Factor e0.44
Factor Y1.36
Factor Y00.75
Limiting speed nG (rpm)3,250
Effective load centre a (mm)43

Weight

Weight (kg)3.17

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)1.5
Shaft shoulder da (mm)186
Shaft shoulder db (mm)188
Housing shoulder Da (mm)214
Housing shoulder Db (mm)221
Housing fillet ra max (mm)1.5
Fillet rb max (mm)1.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,000 rpm
455,2501021,693
636,8333926,542
827,6251,02417,067
1022,1002,15435,907
1514,7338,323138,724

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 221,000 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.630 (dimensions)

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

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30236-AFAGTapered Roller18032052620 kN17.9
30236-XLFAGTapered Roller18032052720 kN17.7
30336FAGTapered Roller180380751120 kN40.9
32036-XFAGTapered Roller18028064620 kN14.2
32036-X-XLFAGTapered Roller18028064740 kN14
32036-X-XL-DF-A240-290FAGTapered Roller180280None1270 kN28.9
32036-X-XL-DF-A320-370FAGTapered Roller180280None1270 kN28.9
32036-X-XL-DF-A330-380FAGTapered Roller180280None1270 kN28.9

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