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FAG / Tapered roller bearings

FAG 33122

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

Technical data available
Bore diameterd
110 mm
Outside diameterD
180 mm
WidthB
56 mm
Dynamic load ratingC
370 kN
Static load ratingC0
630 kN
Limiting speednG
3650 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 diameterd110 mm
Outside diameterD180 mm
WidthB56 mm
Basic dynamic load ratingC370 kN
Basic static load ratingC0630 kN
Fatigue load limitPu75 kN
Reference speednref2460 r/min
Limiting speednG3650 r/min
Mass≈m5.52 kg
Precision classP6X — Class 6X (ISO 492:2023)
CageStandard — Sheet steel cage, window cage, roller-guided
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Product characteristics6 parameters
Product characteristics
ParameterSymbolValue
Tolerance classP6XClass 6X (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 diameterd110 mm4.331 in
Outside diameterD180 mm7.087 in
Width, inner ringB56 mm2.205 in
Width, outer ringC43 mm1.693 in
Width, totalT56 mm2.205 in
Basic dynamic load rating, radialCr370,000 N83,183.453 lbf
Basic static load rating, radialC0r630,000 N141,636.691 lbf
Fatigue load limit, radialCur75,000 N16,861.511 lbf
Limiting speednG3,650 1/min
Thermal speed ratingnϑr2,460 1/min
Mass≈m5.52 kg12.17 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max121 mm4.764 in
Minimum diameter of shaft shoulderdb min120 mm4.724 in
Minimum diameter of housing shoulderDa min155 mm6.102 in
Maximum diameter of housing shoulderDa max170 mm6.693 in
Minimum diameter of housing shoulderDb min174 mm6.85 in
Minimum axial spaceCa min9 mm0.354 in
Minimum axial spaceCb min13 mm0.512 in
Maximum fillet radius of shaftra max2.5 mm0.098 in
Maximum fillet radius of housingrb max2 mm0.079 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min2.5 mm0.098 in
Minimum chamfer dimension of outer ring back facer3, 4 min2 mm0.079 in
Distance between the apexes of the pressure conesa44 mm1.732 in
Guidance rib diameter of inner ringd1147.5 mm5.807 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 Ye0.42
Dynamic axial load factorY1.43
Static axial load factorY00.79
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 Code383836
BrandFAG
Base Type33122
X Life Markingn.r.
SAP material number0167138180000
Base product2305091001
Bearing X designation33122
Mounting Manager ID33122
Grease application ID33122
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionTapered roller bearings 331, main dimensions acc. to DIN 720, separable
Short DescriptionTapered roller bearing
Additional information1 parameter
Additional information
ParameterSymbolValue
Comparative designation to ISO 10317 and ISO 355T3EE110
Technical Data28 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)110 mm
Outside Diameter (D)180 mm
Width (B)56 mm
Basic Dynamic Load Rating, Radial (Cr)370,000 N
Basic Static Load Rating, Radial (C0R)630,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)3,650 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)2,460 1/min
Maximum Fillet Radius Of Housing (Rb Max)2 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)2 mm
Minimum Diameter Of Housing Shoulder (Da Min)155 mm
Minimum Diameter Of Housing Shoulder (Db Min)174 mm
Width, Outer Ring (C)43 mm
Fatigue Load Limit, Radial (Cur)75,000 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.42
Maximum Diameter Of Shaft Shoulder (Da Max)121 mm
Minimum Diameter Of Shaft Shoulder (Db Min)120 mm
Maximum Diameter Of Housing Shoulder (Da Max)170 mm
Dynamic Axial Load Factor (Y)1.43
Maximum Fillet Radius (Ra Max)2.5 mm
Minimum Axial Space (Cb Min)13 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)2.5 mm
Guidance Rib Diameter Of Inner Ring (D1)147.5 mm
Minimum Axial Space (Ca Min)9 mm
Width, Inner Ring (B)56 mm
Static Axial Load Factor (Y0)0.79
Distance Between The Apexes Of The Pressure Cones (A)44 mm

Technical documents & data sheet

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Record identity
FAG 33122
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