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FAG / Tapered roller bearings

FAG K17887-17831

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

Technical data available
Bore diameterd
45.23 mm
Outside diameterD
79.985 mm
WidthB
19.842 mm
Dynamic load ratingC
60 kN
Static load ratingC0
77 kN
Limiting speednG
9200 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 diameterd45.23 mm
Outside diameterD79.985 mm
WidthB19.842 mm
Basic dynamic load ratingC60 kN
Basic static load ratingC077 kN
Fatigue load limitPu9.2 kN
Reference speednref5500 r/min
Limiting speednG9200 r/min
Mass≈m0.421 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 diameterd45.23 mm1.781 in
Outside diameterD79.985 mm3.149 in
Width, inner ringB20.638 mm0.813 in
Width, outer ringC15.08 mm0.594 in
Width, totalT19.842 mm0.781 in
Basic dynamic load rating, radialCr60,000 N13,489.209 lbf
Basic static load rating, radialC0r77,000 N17,311.151 lbf
Fatigue load limit, radialCur9,200 N2,068.345 lbf
Limiting speednG9,200 1/min
Thermal speed ratingnϑr5,500 1/min
Mass≈m0.421 kg0.928 lbs
Mounting dimensions8 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max52 mm2.047 in
Minimum diameter of shaft shoulderdb min56 mm2.205 in
Minimum diameter of housing shoulderDa min70 mm2.756 in
Minimum diameter of housing shoulderDb min74 mm2.913 in
Minimum axial spaceCa min3 mm0.118 in
Minimum axial spaceCb min4.5 mm0.177 in
Maximum fillet radius of shaftra max2 mm0.079 in
Maximum fillet radius of housingrb max1.3 mm0.051 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min2 mm0.079 in
Minimum chamfer dimension of outer ring back facer3, 4 min1.3 mm0.051 in
Distance between the apexes of the pressure conesa16 mm0.63 in
Guidance rib diameter of inner ringd163 mm2.48 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 Ye0.37
Dynamic axial load factorY1.64
Static axial load factorY00.9
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 Code2266110
BrandFAG
Base TypeK17887-17831
Base product2305091001
Bearing X designationK17887-17831
Mounting Manager IDK17887-17831
Grease application IDK17887-17831
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionTapered roller bearings K-Series, in inch sizes, separable
Short DescriptionTapered roller bearing
Technical Data27 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)45.23 mm
Outside Diameter (D)79.985 mm
Width (B)19.842 mm
Basic Dynamic Load Rating, Radial (Cr)60,000 N
Basic Static Load Rating, Radial (C0R)77,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)9,200 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)5,500 1/min
Maximum Fillet Radius Of Housing (Rb Max)1.3 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)1.3 mm
Minimum Diameter Of Housing Shoulder (Da Min)70 mm
Minimum Diameter Of Housing Shoulder (Db Min)74 mm
Width, Outer Ring (C)15.08 mm
Fatigue Load Limit, Radial (Cur)9,200 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.37
Maximum Diameter Of Shaft Shoulder (Da Max)52 mm
Minimum Diameter Of Shaft Shoulder (Db Min)56 mm
Dynamic Axial Load Factor (Y)1.64
Maximum Fillet Radius (Ra Max)2 mm
Minimum Axial Space (Cb Min)4.5 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)2 mm
Guidance Rib Diameter Of Inner Ring (D1)63 mm
Minimum Axial Space (Ca Min)3 mm
Width, Inner Ring (B)20.638 mm
Static Axial Load Factor (Y0)0.9
Distance Between The Apexes Of The Pressure Cones (A)16 mm

Technical documents & data sheet

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Record identity
FAG K17887-17831
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