SIFT BEARING STORE CATALOG

K33889-33822FAGTapered Roller

K33889-33822 is a FAG tapered roller bearing, bore 50.8 mm, O.D. 95.25 mm, width 28.57 mm. Dimensions, drawing, interchanges and price.

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Bore d50.8mm
Outside dia. D95.25mm
Width B28.57mm
Dynamic Cr107kN
Static C0r138kN
Limiting speed7,500rpm
Weight0.861kg
Cr / C0r0.78
Mean dia. dm73mm

Original catalogue drawing - FAG Schaeffler HR 1, page 620

K33889-33822 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. D95.25 mmBore d50.8 mmWidth B28.57 mmCup width C22.23 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 diameter50.82
DOutside diameter95.253.75
BInner-ring / bearing width28.5751.125
TOverall assembly width27.7831.0938
CCup / outer-ring width22.2250.875

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)50.8
Outside dia. D (mm)95.25
Width B (mm)28.575
Overall width T (mm)27.783
Cup width C (mm)22.225
Inner-ring OD d1 (mm)73.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)24055
Basic static load rating Cor (lbs)31024
Basic dynamic load rating Cr (N)107000
Basic static load rating C0r (N)138000
Basic dynamic axial rating Ca (N)5.5
Fatigue limit load Cur (N)17200
Factor e0.33
Factor Y1.82
Factor Y01
Limiting speed nG (rpm)7,500
Effective load centre a (mm)20

Weight

Weight (kg)0.861

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.6
Shaft shoulder da (mm)58
Shaft shoulder db (mm)64
Housing shoulder Da (mm)86
Housing shoulder Db (mm)90
Housing fillet ra max (mm)3.6
Fillet rb max (mm)0.8

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,500 rpm
426,750102677
617,8333922,617
813,3751,0246,827
1010,7002,15414,363
157,1338,32355,490

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 107,000 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.620 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
33889/33821TimkenTapered Roller50.895.2528.57130 kN0.85
33889/33822TimkenTapered Roller50.895.2528.57130 kN0.86

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
K368-362-AFAGTapered Roller50.888.922.2372 kN0.516
K368-A-362-AFAGTapered Roller50.888.922.2372 kN0.555
K3780-3720FAGTapered Roller50.893.2630.3104 kN0.89
K45284-45220FAGTapered Roller50.8104.7830.96126 kN1.25
K4580-4535FAGTapered Roller50.8104.7840.16159 kN1.67
K537-532-XFAGTapered Roller50.8107.9536.96146 kN1.69
K72200-72487FAGTapered Roller50.8123.8332.79135 kN2.18
KHM807046-HM807010FAGTapered Roller50.8104.7836.51145 kN1.64

Request a quotation for K33889-33822

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