Cross-brand designation analysis
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You entered 31317-DF03. This table explores the base group 31317; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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“31317” across 2 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAG3131785 × 180 × 44.5 mm | TIMKEN3131785 × 180 × 44.5 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | 31317 | 31317 |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | — | 31317 |
| Bore diameterd | 85 mm | 85 mm |
| Outside diameterD | 180 mm | 180 mm |
| WidthB | 44.5 mm | 44.5 mm |
| Basic dynamic load ratingC | 255 kN | 308 kN |
| Basic static load ratingC0 | 300 kN | 366 kN |
| Fatigue load limitPu | 34.5 kN | — |
| Reference speednref | 3000 r/min | — |
| Limiting speednG | 3900 r/min | — |
| Mass≈m | 4.88 kg | 4.97 kg |
| Precision class | PN — Normal (ISO 492:2023) | ABMA Class K |
| Sealing | — | Open |
| Cage | Standard — Sheet steel cage, window cage, roller-guided | Steel cage |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 120 °C | — |
| Additional information | ||
| Comparative designation to ISO 10317 and ISO 355 | T7GB085 | — |
| Calculation Factors | ||
| K Factor | — | 0.71 |
| Y1 Factor | — | 0.73 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.40 |
| E Factor | — | 0.83 |
| Cg Factor | — | 0.1088 |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.83 | — |
| Dynamic axial load factorY | 0.73 | — |
| Static axial load factorY0 | 0.4 | — |
| Capabilities & suitability | ||
| Radial load capacity | Yes | — |
| Axial load capacity in one direction | Yes | — |
| Suitable for grease lubrication | Yes | — |
| Suitable for oil lubrication | Yes | — |
| Unsealed design | Yes | — |
| Dimensions | ||
| Minimum chamfer dimension of inner ring back facer1, 2 min | 4 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.157 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 3 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.118 in | — |
| Distance between the apexes of the pressure conesa | 56 mm | — |
| Distance between the apexes of the pressure conesa | 2.205 in | — |
| Guidance rib diameter of inner ringd1 | 129.3 mm | — |
| Guidance rib diameter of inner ringd1 | 5.091 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 41 mm | — |
| Width, inner ringB | 1.614 in | — |
| Width, outer ringC | 28 mm | — |
| Width, outer ringC | 1.102 in | — |
| Width, totalT | 44.5 mm | — |
| Width, totalT | 1.752 in | — |
| Basic dynamic load rating, radialCr | 255,000 N | — |
| Basic dynamic load rating, radialCr | 57,329.137 lbf | — |
| Basic static load rating, radialC0r | 300,000 N | — |
| Basic static load rating, radialC0r | 67,446.043 lbf | — |
| Fatigue load limit, radialCur | 34,500 N | — |
| Fatigue load limit, radialCur | 7,756.295 lbf | — |
| Thermal speed ratingnϑr | 3,000 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 384128 | — |
| Material Number | — | 000000000190032586 |
| Base Type | 31317 | — |
| World Assembly Part Number | — | X31317M_Y31317M |
| Gpsd Group | F04 | — |
| Inner Ring Part Number | — | X31317M |
| Product Line Id | 64 | — |
| Outer Ring Part Number | — | Y31317M |
| Drawing Number | — | C-89068 |
| Upc | — | 0053893090603 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:48.493 |
| SAP material number | 0167113000000 | — |
| Base product | 2305091001 | — |
| Bearing X designation | 31317 | — |
| Mounting Manager ID | 31317 | — |
| Grease application ID | 31317 | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 103 mm | — |
| Maximum diameter of shaft shoulderda max | 4.055 in | — |
| Minimum diameter of shaft shoulderdb min | 99 mm | — |
| Minimum diameter of shaft shoulderdb min | 3.898 in | — |
| Minimum diameter of housing shoulderDa min | 143 mm | — |
| Minimum diameter of housing shoulderDa min | 5.63 in | — |
| Maximum diameter of housing shoulderDa max | 166 mm | — |
| Maximum diameter of housing shoulderDa max | 6.535 in | — |
| Minimum diameter of housing shoulderDb min | 169 mm | — |
| Minimum diameter of housing shoulderDb min | 6.654 in | — |
| Minimum axial spaceCa min | 6 mm | — |
| Minimum axial spaceCa min | 0.236 in | — |
| Minimum axial spaceCb min | 16.5 mm | — |
| Minimum axial spaceCb min | 0.65 in | — |
| Maximum fillet radius of shaftra max | 4 mm | — |
| Maximum fillet radius of shaftra max | 0.157 in | — |
| Maximum fillet radius of housingrb max | 3 mm | — |
| Maximum fillet radius of housingrb max | 0.118 in | — |
| Product characteristics | ||
| Tolerance classPN | Normal (ISO 492:2023) | — |
| Heat treatment | Standard | — |
| Internal design | Standard | — |
| Quality level | Standard | — |
| Number of rows1 | Single-row design | — |
| Product Identity | ||
| Construction | Tapered roller bearings 313, main dimensions acc. to DIN 720, separable | Single Row Tapered Roller Bearing Assembly | Imperial Series | 3.3465 in Bore | 7.0866 in OD | 1.7520 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class K |
| Short Description | Tapered roller bearing | — |
| Type Description | — | TS - Tapered Single |
| Number Of Rows | — | 1 |
| Tapered Bore | — | N |
| Technical Data | ||
| Bore Diameter (D) | 85 mm | — |
| Outside Diameter (D) | 180 mm | — |
| Width (B) | 44.5 mm | — |
| Overall Width | — | 54.700 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 255,000 N | — |
| Radial Rating | — | 79,900 N |
| Basic Static Load Rating, Radial (C0R) | 300,000 N | — |
| Axial Rating | — | 113,000 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Rating C1 | — | 308,000 N |
| Limiting Speed (Ng) | 3,900 1/min | — |
| Dynamic Rating C90 | — | 79,900 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Dynamic Axial Rating Ca90 | — | 113,000 N |
| Reference Speed (Nϑr) | 3,000 1/min | — |
| Dynamic Axial Rating Ca1 | — | 435,000 N |
| Maximum Fillet Radius Of Housing (Rb Max) | 3 mm | — |
| Static Radial Rating C0 | — | 366,000 N |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 3 mm | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Minimum Diameter Of Housing Shoulder (Da Min) | 143 mm | — |
| Static Axial Rating C0A | — | 880,000 N |
| Minimum Diameter Of Housing Shoulder (Db Min) | 169 mm | — |
| Width, Outer Ring (C) | 28 mm | — |
| Fatigue Load Limit, Radial (Cur) | 34,500 N | — |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.83 | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 103 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 99 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 166 mm | — |
| Dynamic Axial Load Factor (Y) | 0.73 | — |
| Maximum Fillet Radius (Ra Max) | 4 mm | — |
| Minimum Axial Space (Cb Min) | 16.5 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 4 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 129.3 mm | — |
| Minimum Axial Space (Ca Min) | 6 mm | — |
| Width, Inner Ring (B) | 41 mm | — |
| Static Axial Load Factor (Y0) | 0.4 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 56 mm | — |
| Temperature range | ||
| Operating temperature min.Tmin | -30 °C | — |
| Operating temperature min.Tmin | -22 °F | — |
| Operating temperature max.Tmax | 120 °C | — |
| Operating temperature max.Tmax | 248 °F | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.