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FAG / Tapered roller bearings

FAG 30334-A

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

Technical data available
Bore diameterd
170 mm
Outside diameterD
360 mm
WidthB
80 mm
Dynamic load ratingC
1040 kN
Static load ratingC0
1360 kN
Limiting speednG
1990 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
Series30334
Bore diameterd170 mm
Outside diameterD360 mm
WidthB80 mm
Basic dynamic load ratingC1040 kN
Basic static load ratingC01360 kN
Fatigue load limitPu149 kN
Reference speednref1340 r/min
Limiting speednG1990 r/min
Mass≈m35 kg
Precision classPN — Normal (ISO 492:2023)
CageStandard — Sheet steel cage, window cage, roller-guided
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax200 °C
Product characteristics6 parameters
Product characteristics
ParameterSymbolValue
Tolerance classPNNormal (ISO 492:2023)
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 diameterd170 mm6.693 in
Outside diameterD360 mm14.173 in
Width, inner ringB72 mm2.835 in
Width, outer ringC62 mm2.441 in
Width, totalT80 mm3.15 in
Basic dynamic load rating, radialCr1,040,000 N233,812.95 lbf
Basic static load rating, radialC0r1,360,000 N305,755.396 lbf
Fatigue load limit, radialCur149,000 N33,498.201 lbf
Limiting speednG1,990 1/min
Thermal speed ratingnϑr1,340 1/min
Mass≈m35 kg77.162 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max213 mm8.386 in
Minimum diameter of shaft shoulderdb min188 mm7.402 in
Minimum diameter of housing shoulderDa min307 mm12.087 in
Maximum diameter of housing shoulderDa max342 mm13.465 in
Minimum diameter of housing shoulderDb min329 mm12.953 in
Minimum axial spaceCa min9 mm0.354 in
Minimum axial spaceCb min18 mm0.709 in
Maximum fillet radius of shaftra max5 mm0.197 in
Maximum fillet radius of housingrb max4 mm0.157 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min5 mm0.197 in
Minimum chamfer dimension of outer ring back facer3, 4 min4 mm0.157 in
Distance between the apexes of the pressure conesa67 mm2.638 in
Guidance rib diameter of inner ringd1252 mm9.921 in
Temperature range2 parameters
Temperature range
ParameterSymbolValue
Operating temperature min.Tmin-30 °C-22 °F
Operating temperature max.Tmax200 °C392 °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 factorY1.74
Static axial load factorY00.96
Capabilities & suitability6 parameters
Capabilities & suitability
ParameterSymbolValue
Radial load capacityYes
Axial load capacity in one directionYes
Suitable for grease lubricationYes
Suitable for oil lubricationYes
Unsealed designYes
LargebearingYes
Manufacturer Identity10 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code383466
BrandFAG
Base Type30334
Old Designation["30334A"]
X Life Markingn.r.
SAP material number0382062420000
Base product2305091001
Bearing X designation30334-A
Mounting Manager ID30334-A
Grease application ID30334-A
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionTapered roller bearings 303, main dimensions acc. to DIN 720, separable
Short DescriptionTapered roller bearing
Additional information1 parameter
Additional information
ParameterSymbolValue
Comparative designation to ISO 10317 and ISO 355T2GB170
Technical Data28 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)170 mm
Outside Diameter (D)360 mm
Width (B)80 mm
Basic Dynamic Load Rating, Radial (Cr)1,040,000 N
Basic Static Load Rating, Radial (C0R)1,360,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)1,990 1/min
Operating Temperature Max. (Tmax)200 °C
Reference Speed (Nϑr)1,340 1/min
Maximum Fillet Radius Of Housing (Rb Max)4 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)4 mm
Minimum Diameter Of Housing Shoulder (Da Min)307 mm
Minimum Diameter Of Housing Shoulder (Db Min)329 mm
Width, Outer Ring (C)62 mm
Fatigue Load Limit, Radial (Cur)149,000 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)213 mm
Minimum Diameter Of Shaft Shoulder (Db Min)188 mm
Maximum Diameter Of Housing Shoulder (Da Max)342 mm
Dynamic Axial Load Factor (Y)1.74
Maximum Fillet Radius (Ra Max)5 mm
Minimum Axial Space (Cb Min)18 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)5 mm
Guidance Rib Diameter Of Inner Ring (D1)252 mm
Minimum Axial Space (Ca Min)9 mm
Width, Inner Ring (B)72 mm
Static Axial Load Factor (Y0)0.96
Distance Between The Apexes Of The Pressure Cones (A)67 mm

Technical documents & data sheet

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Record identity
FAG 30334-A
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