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FAG / Tapered roller bearings

FAG KLL428349-LL428310-XL

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

Technical data available
Bore diameterd
139.7 mm
Outside diameterD
180.975 mm
WidthB
21.433 mm
Dynamic load ratingC
140 kN
Static load ratingC0
184 kN
Limiting speednG
4800 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 specifications14 parameters
Core specifications
ParameterSymbolValue
SeriesKLL428349-LL428310
Bore diameterd139.7 mm
Outside diameterD180.975 mm
WidthB21.433 mm
Basic dynamic load ratingC140 kN
Basic static load ratingC0184 kN
Fatigue load limitPu23.8 kN
Reference speednref2060 r/min
Limiting speednG4800 r/min
Mass≈m1.22 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 characteristics5 parameters
Product characteristics
ParameterSymbolValue
Tolerance classABMA4Class 4 (ANSI/ABMA 19.2:2013)
Heat treatmentStandard
CageStandardSheet steel cage, window cage, roller-guided
Quality levelXLX-life
Number of rows1Single-row design
Main Dimensions & Performance Data11 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd139.7 mm5.5 in
Outside diameterD180.975 mm7.125 in
Width, inner ringB20.638 mm0.813 in
Width, outer ringC16.67 mm0.656 in
Width, totalT21.433 mm0.844 in
Basic dynamic load rating, radialCr140,000 N31,474.82 lbf
Basic static load rating, radialC0r184,000 N41,366.906 lbf
Fatigue load limit, radialCur23,800 N5,350.719 lbf
Limiting speednG4,800 1/min
Thermal speed ratingnϑr2,060 1/min
Mass≈m1.22 kg2.69 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max146 mm5.748 in
Minimum diameter of shaft shoulderdb min148 mm5.827 in
Minimum diameter of housing shoulderDa min172 mm6.772 in
Maximum diameter of housing shoulderDa max173 mm6.811 in
Minimum diameter of housing shoulderDb min175 mm6.89 in
Minimum axial spaceCa min3.5 mm0.138 in
Minimum axial spaceCb min6 mm0.236 in
Maximum fillet radius of shaftra max1.5 mm0.059 in
Maximum fillet radius of housingrb max1.5 mm0.059 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min1.5 mm0.059 in
Minimum chamfer dimension of outer ring back facer3, 4 min1.5 mm0.059 in
Distance between the apexes of the pressure conesa30 mm1.181 in
Guidance rib diameter of inner ringd1157 mm6.181 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 Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code384887
BrandFAG
Base TypeKLL428349-LL428310
X Life MarkingXL
SAP material number0847287950000
Base product2305091001
Bearing X designationKLL428349-LL428310-XL
Mounting Manager IDKLL428349-LL428310-XL
Grease application IDKLL428349-LL428310-XL
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)139.7 mm
Outside Diameter (D)180.975 mm
Width (B)21.433 mm
Basic Dynamic Load Rating, Radial (Cr)140,000 N
Basic Static Load Rating, Radial (C0R)184,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)4,800 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)2,060 1/min
Maximum Fillet Radius Of Housing (Rb Max)1.5 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)1.5 mm
Minimum Diameter Of Housing Shoulder (Da Min)172 mm
Minimum Diameter Of Housing Shoulder (Db Min)175 mm
Width, Outer Ring (C)16.67 mm
Fatigue Load Limit, Radial (Cur)23,800 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)146 mm
Minimum Diameter Of Shaft Shoulder (Db Min)148 mm
Maximum Diameter Of Housing Shoulder (Da Max)173 mm
Dynamic Axial Load Factor (Y)1.64
Maximum Fillet Radius (Ra Max)1.5 mm
Minimum Axial Space (Cb Min)6 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)1.5 mm
Guidance Rib Diameter Of Inner Ring (D1)157 mm
Minimum Axial Space (Ca Min)3.5 mm
Width, Inner Ring (B)20.638 mm
Static Axial Load Factor (Y0)0.9
Distance Between The Apexes Of The Pressure Cones (A)30 mm

Technical documents & data sheet

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Record identity
FAG KLL428349-LL428310-XL
Document matching
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