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FAG / Tapered roller bearings

FAG K799-792

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
128.588 mm
Outside diameterD
206.375 mm
WidthB
47.626 mm
Dynamic load ratingC
325 kN
Static load ratingC0
550 kN
Limiting speednG
3250 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications13 parameters
Core specifications
ParameterSymbolValue
Bore diameterd128.588 mm
Outside diameterD206.375 mm
WidthB47.626 mm
Basic dynamic load ratingC325 kN
Basic static load ratingC0550 kN
Fatigue load limitPu61 kN
Reference speednref2420 r/min
Limiting speednG3250 r/min
Mass≈m5.95 kg
Precision classABMA4 — Class 4 (ANSI/ABMA 19.2:2013)
CageStandard — Sheet steel cage, window cage, roller-guided
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Product characteristics6 parameters
Product characteristics
ParameterSymbolValue
Tolerance classABMA4Class 4 (ANSI/ABMA 19.2:2013)
Heat treatmentStandard
CageStandardSheet steel cage, window cage, roller-guided
Internal designStandard
Quality levelStandard
Number of rows1Single-row design
Main Dimensions & Performance Data11 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd128.588 mm5.063 in
Outside diameterD206.375 mm8.125 in
Width, inner ringB47.625 mm1.875 in
Width, outer ringC34.925 mm1.375 in
Width, totalT47.626 mm1.875 in
Basic dynamic load rating, radialCr325,000 N73,066.547 lbf
Basic static load rating, radialC0r550,000 N123,651.079 lbf
Fatigue load limit, radialCur61,000 N13,714.029 lbf
Limiting speednG3,250 1/min
Thermal speed ratingnϑr2,420 1/min
Mass≈m5.95 kg13.117 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max140 mm5.512 in
Minimum diameter of shaft shoulderdb min146 mm5.748 in
Minimum diameter of housing shoulderDa min186 mm7.323 in
Maximum diameter of housing shoulderDa max194 mm7.638 in
Minimum diameter of housing shoulderDb min198 mm7.795 in
Minimum axial spaceCa min6 mm0.236 in
Minimum axial spaceCb min11 mm0.433 in
Maximum fillet radius of shaftra max3.3 mm0.13 in
Maximum fillet radius of housingrb max3.3 mm0.13 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min3.3 mm0.13 in
Minimum chamfer dimension of outer ring back facer3, 4 min3.3 mm0.13 in
Distance between the apexes of the pressure conesa46 mm1.811 in
Guidance rib diameter of inner ringd1167.6 mm6.598 in
Temperature range2 parameters
Temperature range
ParameterSymbolValue
Operating temperature min.Tmin-30 °C-22 °F
Operating temperature max.Tmax120 °C248 °F
Calculation factors3 parameters
Calculation factors
ParameterSymbolValue
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye0.46
Dynamic axial load factorY1.31
Static axial load factorY00.72
Capabilities & suitability5 parameters
Capabilities & suitability
ParameterSymbolValue
Radial load capacityYes
Axial load capacity in one directionYes
Suitable for grease lubricationYes
Suitable for oil lubricationYes
Unsealed designYes
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code2267314
BrandFAG
Base TypeK799-792
Base product2305091001
Bearing X designationK799-792
Mounting Manager IDK799-792
Grease application IDK799-792
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionTapered roller bearings K-Series, in inch sizes, separable
Short DescriptionTapered roller bearing
Technical Data28 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)128.588 mm
Outside Diameter (D)206.375 mm
Width (B)47.626 mm
Basic Dynamic Load Rating, Radial (Cr)325,000 N
Basic Static Load Rating, Radial (C0R)550,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)3,250 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)2,420 1/min
Maximum Fillet Radius Of Housing (Rb Max)3.3 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)3.3 mm
Minimum Diameter Of Housing Shoulder (Da Min)186 mm
Minimum Diameter Of Housing Shoulder (Db Min)198 mm
Width, Outer Ring (C)34.925 mm
Fatigue Load Limit, Radial (Cur)61,000 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.46
Maximum Diameter Of Shaft Shoulder (Da Max)140 mm
Minimum Diameter Of Shaft Shoulder (Db Min)146 mm
Maximum Diameter Of Housing Shoulder (Da Max)194 mm
Dynamic Axial Load Factor (Y)1.31
Maximum Fillet Radius (Ra Max)3.3 mm
Minimum Axial Space (Cb Min)11 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)3.3 mm
Guidance Rib Diameter Of Inner Ring (D1)167.6 mm
Minimum Axial Space (Ca Min)6 mm
Width, Inner Ring (B)47.625 mm
Static Axial Load Factor (Y0)0.72
Distance Between The Apexes Of The Pressure Cones (A)46 mm

Technical documents & data sheet

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Record identity
FAG K799-792
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