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FAG / Tapered roller bearings

FAG KL812148-L812111

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

Technical data available
Bore diameterd
66.675 mm
Outside diameterD
103.213 mm
WidthB
17.602 mm
Dynamic load ratingC
58 kN
Static load ratingC0
71 kN
Limiting speednG
7000 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 diameterd66.675 mm
Outside diameterD103.213 mm
WidthB17.602 mm
Basic dynamic load ratingC58 kN
Basic static load ratingC071 kN
Fatigue load limitPu8.3 kN
Reference speednref3950 r/min
Limiting speednG7000 r/min
Mass≈m0.478 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 diameterd66.675 mm2.625 in
Outside diameterD103.213 mm4.064 in
Width, inner ringB17.602 mm0.693 in
Width, outer ringC11.989 mm0.472 in
Width, totalT17.602 mm0.693 in
Basic dynamic load rating, radialCr58,000 N13,039.568 lbf
Basic static load rating, radialC0r71,000 N15,962.23 lbf
Fatigue load limit, radialCur8,300 N1,866.007 lbf
Limiting speednG7,000 1/min
Thermal speed ratingnϑr3,950 1/min
Mass≈m0.478 kg1.054 lbs
Mounting dimensions8 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max72 mm2.835 in
Minimum diameter of shaft shoulderdb min74 mm2.913 in
Minimum diameter of housing shoulderDa min96 mm3.78 in
Minimum diameter of housing shoulderDb min99 mm3.898 in
Minimum axial spaceCa min3.5 mm0.138 in
Minimum axial spaceCb min5.5 mm0.217 in
Maximum fillet radius of shaftra max1.5 mm0.059 in
Maximum fillet radius of housingrb max0.8 mm0.031 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 min0.8 mm0.031 in
Distance between the apexes of the pressure conesa21 mm0.827 in
Guidance rib diameter of inner ringd184.5 mm3.327 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 Ye0.49
Dynamic axial load factorY1.23
Static axial load factorY00.68
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 Code2267733
BrandFAG
Base TypeKL812148-L812111
Base product2305091001
Bearing X designationKL812148-L812111
Mounting Manager IDKL812148-L812111
Grease application IDKL812148-L812111
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)66.675 mm
Outside Diameter (D)103.213 mm
Width (B)17.602 mm
Basic Dynamic Load Rating, Radial (Cr)58,000 N
Basic Static Load Rating, Radial (C0R)71,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)7,000 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)3,950 1/min
Maximum Fillet Radius Of Housing (Rb Max)0.8 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)0.8 mm
Minimum Diameter Of Housing Shoulder (Da Min)96 mm
Minimum Diameter Of Housing Shoulder (Db Min)99 mm
Width, Outer Ring (C)11.989 mm
Fatigue Load Limit, Radial (Cur)8,300 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.49
Maximum Diameter Of Shaft Shoulder (Da Max)72 mm
Minimum Diameter Of Shaft Shoulder (Db Min)74 mm
Dynamic Axial Load Factor (Y)1.23
Maximum Fillet Radius (Ra Max)1.5 mm
Minimum Axial Space (Cb Min)5.5 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)1.5 mm
Guidance Rib Diameter Of Inner Ring (D1)84.5 mm
Minimum Axial Space (Ca Min)3.5 mm
Width, Inner Ring (B)17.602 mm
Static Axial Load Factor (Y0)0.68
Distance Between The Apexes Of The Pressure Cones (A)21 mm

Technical documents & data sheet

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Record identity
FAG KL812148-L812111
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