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ParameterFAG30312-A60 × 130 × 33.5 mmTIMKEN3031260 × 130 × 33.5 mm
Comparable specifications
BrandFAGTIMKEN
Designation30312-A30312
Product family—TS - Tapered Single
Detailed typeTapered roller bearingsTapered roller bearings
Series3031230312
Bore diameterd60 mm60 mm
Outside diameterD130 mm130 mm
WidthB33.5 mm33.5 mm
Basic dynamic load ratingC174 kN201 kN
Basic static load ratingC0202 kN221 kN
Fatigue load limitPu24.7 kN—
Reference speednref4050 r/min—
Limiting speednG5700 r/min—
Mass≈m1.984 kg1.99 kg
Precision classPN — Normal (ISO 492:2023)ABMA Class K
Sealing—Open
CageStandard — Sheet steel cage, window cage, roller-guidedSteel cage
Minimum operating temperatureTmin-30 °C—
Maximum operating temperatureTmax120 °C—
Additional information
Comparative designation to ISO 10317 and ISO 355T2FB060—
Calculation Factors
K Factor—1.69
Y1 Factor—1.74
Y2 Factor—0.00
Y0 Factor—0.96
E Factor—0.35
Cg Factor—0.0710
Calculation factors
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 & suitability
Radial load capacityYes—
Axial load capacity in one directionYes—
Suitable for grease lubricationYes—
Suitable for oil lubricationYes—
Unsealed designYes—
Dimensions
Minimum chamfer dimension of inner ring back facer1, 2 min3 mm—
Minimum chamfer dimension of inner ring back facer1, 2 min0.118 in—
Minimum chamfer dimension of outer ring back facer3, 4 min2.5 mm—
Minimum chamfer dimension of outer ring back facer3, 4 min0.098 in—
Distance between the apexes of the pressure conesa26 mm—
Distance between the apexes of the pressure conesa1.024 in—
Guidance rib diameter of inner ringd192.1 mm—
Guidance rib diameter of inner ringd13.626 in—
Main Dimensions & Performance Data
Width, inner ringB31 mm—
Width, inner ringB1.22 in—
Width, outer ringC26 mm—
Width, outer ringC1.024 in—
Width, totalT33.5 mm—
Width, totalT1.319 in—
Basic dynamic load rating, radialCr174,000 N—
Basic dynamic load rating, radialCr39,118.705 lbf—
Basic static load rating, radialC0r202,000 N—
Basic static load rating, radialC0r45,413.669 lbf—
Fatigue load limit, radialCur24,700 N—
Fatigue load limit, radialCur5,553.058 lbf—
Thermal speed ratingnϑr4,050 1/min—
Manufacturer Identity
Schaeffler Product Code383442—
Material Number—000000000100048320
Base Type30312—
World Assembly Part Number—X30312_Y30312
Old Designation["30312A","30312A.F22"]—
Inner Ring Part Number—X30312
Gpsd GroupF05—
Outer Ring Part Number—Y30312
Product Line Id64—
Drawing Number—A-26330
X Life Markingn.r.—
Upc—0053893247472
Official Source System—CORE BP - DS DF
Official Last Run—2026-08-23T20:02:47.147
SAP material number0167109590000—
Base product2305091001—
Bearing X designation30312-A—
Mounting Manager ID30312-A—
Grease application ID30312-A—
Mounting dimensions
Maximum diameter of shaft shoulderda max77 mm—
Maximum diameter of shaft shoulderda max3.031 in—
Minimum diameter of shaft shoulderdb min72 mm—
Minimum diameter of shaft shoulderdb min2.835 in—
Minimum diameter of housing shoulderDa min112 mm—
Minimum diameter of housing shoulderDa min4.409 in—
Maximum diameter of housing shoulderDa max118 mm—
Maximum diameter of housing shoulderDa max4.646 in—
Minimum diameter of housing shoulderDb min120 mm—
Minimum diameter of housing shoulderDb min4.724 in—
Minimum axial spaceCa min5 mm—
Minimum axial spaceCa min0.197 in—
Minimum axial spaceCb min7.5 mm—
Minimum axial spaceCb min0.295 in—
Maximum fillet radius of shaftra max3 mm—
Maximum fillet radius of shaftra max0.118 in—
Maximum fillet radius of housingrb max2.5 mm—
Maximum fillet radius of housingrb max0.098 in—
Product characteristics
Tolerance classPNNormal (ISO 492:2023)—
Heat treatmentStandard—
Internal designStandard—
Quality levelStandard—
Number of rows1Single-row design—
Product Identity
ConstructionTapered roller bearings 303, main dimensions acc. to DIN 720, separableSingle Row Tapered Roller Bearing Assembly | Imperial Series | 2.3622 in Bore | 5.1181 in OD | 1.3189 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class K
Type Description—TS - Tapered Single
Short DescriptionTapered roller bearing—
Number Of Rows—1
Tapered Bore—N
Technical Data
Bore Diameter (D)60 mm—
Overall Width—37.600 mm
Outside Diameter (D)130 mm—
Radial Rating—52,200 N
Width (B)33.5 mm—
Axial Rating—30,800 N
Basic Dynamic Load Rating, Radial (Cr)174,000 N—
Dynamic Rating C1—201,000 N
Basic Static Load Rating, Radial (C0R)202,000 N—
Dynamic Rating C90—52,200 N
Operating Temperature Min. (Tmin)-30 °C—
Dynamic Axial Rating Ca90—30,800 N
Limiting Speed (Ng)5,700 1/min—
Dynamic Axial Rating Ca1—119,000 N
Operating Temperature Max. (Tmax)120 °C—
Static Radial Rating C0—221,000 N
Reference Speed (Nϑr)4,050 1/min—
Extended Dynamic Rating Ce—0 N
Maximum Fillet Radius Of Housing (Rb Max)2.5 mm—
Static Axial Rating C0A—222,000 N
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)2.5 mm—
Minimum Diameter Of Housing Shoulder (Da Min)112 mm—
Minimum Diameter Of Housing Shoulder (Db Min)120 mm—
Width, Outer Ring (C)26 mm—
Fatigue Load Limit, Radial (Cur)24,700 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)77 mm—
Minimum Diameter Of Shaft Shoulder (Db Min)72 mm—
Maximum Diameter Of Housing Shoulder (Da Max)118 mm—
Dynamic Axial Load Factor (Y)1.74—
Maximum Fillet Radius (Ra Max)3 mm—
Minimum Axial Space (Cb Min)7.5 mm—
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)3 mm—
Guidance Rib Diameter Of Inner Ring (D1)92.1 mm—
Minimum Axial Space (Ca Min)5 mm—
Width, Inner Ring (B)31 mm—
Static Axial Load Factor (Y0)0.96—
Distance Between The Apexes Of The Pressure Cones (A)26 mm—
Temperature range
Operating temperature min.Tmin-30 °C—
Operating temperature min.Tmin-22 °F—
Operating temperature max.Tmax120 °C—
Operating temperature max.Tmax248 °F—

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