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FAG / Tapered roller bearings

FAG 32315-B-R

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

Technical data available
Bore diameterd
75 mm
Outside diameterD
160 mm
WidthB
23 mm
Dynamic load ratingC
330 kN
Static load ratingC0
470 kN
Limiting speednG
4350 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
Series32315
Bore diameterd75 mm
Outside diameterD160 mm
WidthB23 mm
Basic dynamic load ratingC330 kN
Basic static load ratingC0470 kN
Fatigue load limitPu55 kN
Reference speednref3400 r/min
Limiting speednG4350 r/min
Mass≈m5.562 kg
Precision classPN — Normal (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 classPNNormal (ISO 492:2023)
Heat treatmentStandard
CageStandardSheet steel cage, window cage, roller-guided
Internal designBIncreased contact angle
Quality levelStandard
Number of rows1Single-row design
Main Dimensions & Performance Data11 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd75 mm2.953 in
Outside diameterD160 mm6.299 in
Width, inner ringB55 mm2.165 in
Width, outer ringC45 mm1.772 in
Width assembled flange bearingTF23 mm0.906 in
Basic dynamic load rating, radialCr330,000 N74,190.647 lbf
Basic static load rating, radialC0r470,000 N105,665.468 lbf
Fatigue load limit, radialCur55,000 N12,365.108 lbf
Limiting speednG4,350 1/min
Thermal speed ratingnϑr3,400 1/min
Mass≈m5.562 kg12.262 lbs
Mounting dimensions9 parameters
Mounting dimensions
ParameterSymbolValue
Maximum diameter of shaft shoulderda max90 mm3.543 in
Minimum diameter of shaft shoulderdb min87 mm3.425 in
Minimum diameter of housing shoulderDa min124 mm4.882 in
Maximum diameter of housing shoulderDa max148 mm5.827 in
Minimum diameter of housing shoulderDb min151 mm5.945 in
Minimum axial spaceCa min7 mm0.276 in
Minimum axial spaceCb min14 mm0.551 in
Maximum fillet radius of shaftra max3 mm0.118 in
Maximum fillet radius of housingrb max2.5 mm0.098 in
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimension of inner ring back facer1, 2 min3 mm0.118 in
Minimum chamfer dimension of outer ring back facer3, 4 min2.5 mm0.098 in
Distance between the apexes of the pressure conesa47 mm1.85 in
Guidance rib diameter of inner ringd1120.4 mm4.74 in
Outside diameter flangeD1168 mm6.614 in
Width flangeC110 mm0.394 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 Ye0.55
Dynamic axial load factorY1.1
Static axial load factorY00.6
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 Code2541339
BrandFAG
Base Type32315
Base product2305091002
Bearing X designation32315-B-R
Mounting Manager ID32315-B-R
Grease application ID32315-B-R
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionTapered roller bearings with flange 323, main dimensions acc. to DIN 720, separable
Short DescriptionTapered roller bearing
Additional information1 parameter
Additional information
ParameterSymbolValue
Comparative designation to ISO 10317 and ISO 355T5GD075
Technical Data37 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)75 mm
Outside Diameter (D)160 mm
Width Assembled Flange Bearing (T F)23 mm
Basic Dynamic Load Rating, Radial (Cr)330,000 N
Basic Static Load Rating, Radial (C0R)470,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)4,350 1/min
Operating Temperature Max. (Tmax)120 °C
Reference Speed (Nϑr)3,400 1/min
Maximum Fillet Radius Of Housing (Rb Max)2.5 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)2.5 mm
Minimum Diameter Of Housing Shoulder (Da Min)124 mm
Minimum Diameter Of Housing Shoulder (Db Min)151 mm
Width, Outer Ring (C)45 mm
Basic Dynamic Load Rating, Radial (C R)330,000 N
Basic Static Load Rating, Radial (C 0R)470,000 N
Limiting Speed (N G)4,350 1/min
Reference Speed (N Θr)3,400 1/min
Fatigue Load Limit, Radial (Cur)55,000 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.55
Maximum Diameter Of Shaft Shoulder (Da Max)90 mm
Minimum Diameter Of Shaft Shoulder (Db Min)87 mm
Maximum Diameter Of Housing Shoulder (Da Max)148 mm
Dynamic Axial Load Factor (Y)1.1
Maximum Fillet Radius (Ra Max)3 mm
Outside Diameter Flange (D1)168 mm
Minimum Axial Space (Cb Min)14 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)3 mm
Operating Temperature Max. (T Max)120 °C
Width Assembled Flange Bearing (Tf)23 mm
Guidance Rib Diameter Of Inner Ring (D1)120.4 mm
Minimum Axial Space (Ca Min)7 mm
Operating Temperature Min. (T Min)-30 °C
Width Flange (C1)10 mm
Width, Inner Ring (B)55 mm
Static Axial Load Factor (Y0)0.6
Distance Between The Apexes Of The Pressure Cones (A)47 mm

Technical documents & data sheet

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Record identity
FAG 32315-B-R
Document matching
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