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FAG / Tapered roller bearings

FAG K2984-2924

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

Technical data available
Bore diameterd
46.038 mm
Outside diameterD
85.001 mm
WidthB
25.4 mm
Dynamic load ratingC
90 kN
Static load ratingC0
112 kN
Limiting speednG
8700 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 diameterd46.038 mm
Outside diameterD85.001 mm
WidthB25.4 mm
Basic dynamic load ratingC90 kN
Basic static load ratingC0112 kN
Fatigue load limitPu13.9 kN
Reference speednref5800 r/min
Limiting speednG8700 r/min
Mass≈m0.62 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 diameterd46.038 mm1.813 in
Outside diameterD85.001 mm3.346 in
Width, inner ringB25.608 mm1.008 in
Width, outer ringC20.638 mm0.813 in
Width, totalT25.4 mm1 in
Basic dynamic load rating, radialCr90,000 N20,233.813 lbf
Basic static load rating, radialC0r112,000 N25,179.856 lbf
Fatigue load limit, radialCur13,900 N3,125 lbf
Limiting speednG8,700 1/min
Thermal speed ratingnϑr5,800 1/min
Mass≈m0.62 kg1.367 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max52 mm2.047 in
Minimum diameter of shaft shoulderdb min58 mm2.283 in
Minimum diameter of housing shoulderDa min76 mm2.992 in
Maximum diameter of housing shoulderDa max79 mm3.11 in
Minimum diameter of housing shoulderDb min81 mm3.189 in
Minimum axial spaceCa min3 mm0.118 in
Minimum axial spaceCb min4.5 mm0.177 in
Maximum fillet radius of shaftra max3.6 mm0.142 in
Maximum fillet radius of housingrb max1.3 mm0.051 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 min1.3 mm0.051 in
Distance between the apexes of the pressure conesa19 mm0.748 in
Guidance rib diameter of inner ringd164 mm2.52 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 Ye0.35
Dynamic axial load factorY1.73
Static axial load factorY00.95
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 Code2266283
BrandFAG
Base TypeK2984-2924
Base product2305091001
Bearing X designationK2984-2924
Mounting Manager IDK2984-2924
Grease application IDK2984-2924
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)46.038 mm
Outside Diameter (D)85.001 mm
Width (B)25.4 mm
Basic Dynamic Load Rating, Radial (Cr)90,000 N
Basic Static Load Rating, Radial (C0R)112,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)8,700 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)5,800 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)76 mm
Minimum Diameter Of Housing Shoulder (Db Min)81 mm
Width, Outer Ring (C)20.638 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)0.35
Maximum Diameter Of Shaft Shoulder (Da Max)52 mm
Minimum Diameter Of Shaft Shoulder (Db Min)58 mm
Maximum Diameter Of Housing Shoulder (Da Max)79 mm
Dynamic Axial Load Factor (Y)1.73
Maximum Fillet Radius (Ra Max)3.6 mm
Minimum Axial Space (Cb Min)4.5 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)3.6 mm
Guidance Rib Diameter Of Inner Ring (D1)64 mm
Minimum Axial Space (Ca Min)3 mm
Width, Inner Ring (B)25.608 mm
Static Axial Load Factor (Y0)0.95
Distance Between The Apexes Of The Pressure Cones (A)19 mm

Technical documents & data sheet

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Record identity
FAG K2984-2924
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