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FAG / Tapered roller bearings

FAG K395-3920

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

Technical data available
Bore diameterd
63.5 mm
Outside diameterD
112.712 mm
WidthB
26.967 mm
Dynamic load ratingC
86 kN
Static load ratingC0
115 kN
Limiting speednG
6600 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 diameterd63.5 mm
Outside diameterD112.712 mm
WidthB26.967 mm
Basic dynamic load ratingC86 kN
Basic static load ratingC0115 kN
Fatigue load limitPu13.9 kN
Reference speednref4550 r/min
Limiting speednG6600 r/min
Mass≈m1.05 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 diameterd63.5 mm2.5 in
Outside diameterD112.712 mm4.437 in
Width, inner ringB21.996 mm0.866 in
Width, outer ringC23.812 mm0.937 in
Width, totalT26.967 mm1.062 in
Basic dynamic load rating, radialCr86,000 N19,334.532 lbf
Basic static load rating, radialC0r115,000 N25,854.317 lbf
Fatigue load limit, radialCur13,900 N3,125 lbf
Limiting speednG6,600 1/min
Thermal speed ratingnϑr4,550 1/min
Mass≈m1.05 kg2.315 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max76 mm2.992 in
Minimum diameter of shaft shoulderdb min79 mm3.11 in
Minimum diameter of housing shoulderDa min96 mm3.78 in
Maximum diameter of housing shoulderDa max102 mm4.016 in
Minimum diameter of housing shoulderDb min105 mm4.134 in
Minimum axial spaceCa min5 mm0.197 in
Minimum axial spaceCb min3 mm0.118 in
Maximum fillet radius of shaftra max3.6 mm0.142 in
Maximum fillet radius of housingrb max3.3 mm0.13 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min3.6 mm0.142 in
Minimum chamfer dimension of outer ring back facer3, 4 min3.3 mm0.13 in
Distance between the apexes of the pressure conesa26 mm1.024 in
Guidance rib diameter of inner ringd187.9 mm3.461 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 Ye0.4
Dynamic axial load factorY1.49
Static axial load factorY00.82
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 Code2266597
BrandFAG
Base TypeK395-3920
Base product2305091001
Bearing X designationK395-3920
Mounting Manager IDK395-3920
Grease application IDK395-3920
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)63.5 mm
Outside Diameter (D)112.712 mm
Width (B)26.967 mm
Basic Dynamic Load Rating, Radial (Cr)86,000 N
Basic Static Load Rating, Radial (C0R)115,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)6,600 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)4,550 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)96 mm
Minimum Diameter Of Housing Shoulder (Db Min)105 mm
Width, Outer Ring (C)23.812 mm
Fatigue Load Limit, Radial (Cur)13,900 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.4
Maximum Diameter Of Shaft Shoulder (Da Max)76 mm
Minimum Diameter Of Shaft Shoulder (Db Min)79 mm
Maximum Diameter Of Housing Shoulder (Da Max)102 mm
Dynamic Axial Load Factor (Y)1.49
Maximum Fillet Radius (Ra Max)3.6 mm
Minimum Axial Space (Cb Min)3 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)3.6 mm
Guidance Rib Diameter Of Inner Ring (D1)87.9 mm
Minimum Axial Space (Ca Min)5 mm
Width, Inner Ring (B)21.996 mm
Static Axial Load Factor (Y0)0.82
Distance Between The Apexes Of The Pressure Cones (A)26 mm

Technical documents & data sheet

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Record identity
FAG K395-3920
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