SIFT BEARING STORE CATALOG

K385-X-382-AFAGTapered Roller

K385-X-382-A is a FAG tapered roller bearing, bore 55 mm, O.D. 96.84 mm, width 21.95 mm. Dimensions, drawing, interchanges and price.

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Bore d55mm
Outside dia. D96.84mm
Width B21.95mm
Dynamic Cr76kN
Static C0r95kN
Limiting speed7,500rpm
Weight0.63kg
Cr / C0r0.8
Mean dia. dm75.9mm

Original catalogue drawing - FAG Schaeffler HR 1, page 620

K385-X-382-A 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. D96.84 mmBore d55 mmWidth B21.95 mmCup width C15.88 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 diameter552.1654
DOutside diameter96.8383.8125
BInner-ring / bearing width21.9460.864
TOverall assembly width210.8268
CCup / outer-ring width15.8750.625

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)55
Outside dia. D (mm)96.838
Width B (mm)21.946
Overall width T (mm)21
Cup width C (mm)15.875
Inner-ring OD d1 (mm)75.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)17085
Basic static load rating Cor (lbs)21357
Basic dynamic load rating Cr (N)76000
Basic static load rating C0r (N)95000
Basic dynamic axial rating Ca (N)5.5
Fatigue limit load Cur (N)11200
Factor e0.35
Factor Y1.69
Factor Y00.93
Limiting speed nG (rpm)7,500
Effective load centre a (mm)19

Weight

Weight (kg)0.63

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.5
Shaft shoulder da (mm)61
Shaft shoulder db (mm)67
Housing shoulder Da (mm)89
Housing shoulder Db (mm)92
Housing fillet ra max (mm)3.5
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
419,000102677
612,6673922,617
89,5001,0246,827
107,6002,15414,363
155,0678,32355,490

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 76,000 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
385/382ATimkenTapered Roller5596.8421.95108 kN0.62

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30211-AFAGTapered Roller551002191 kN0.92
30211-XLFAGTapered Roller5510021109 kN0.728
30311-AFAGTapered Roller5512029151 kN1.8
30311-XLFAGTapered Roller5512029180 kN1.63
31311-AFAGTapered Roller5512029122 kN1.57
31311-A-N11CA-A80-120FAGTapered Roller55120None209 kN3.4
31311-XLFAGTapered Roller5512029145 kN1.75
32011-XFAGTapered Roller55902379 kN0.64

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