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| Parameter | FAG31309-H45 × 100 × 27.25 mm | TIMKEN3130945 × 100 × 27.25 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | 31309-H | 31309 |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 31309 | 31309 |
| Bore diameterd | 45 mm | 45 mm |
| Outside diameterD | 100 mm | 100 mm |
| WidthB | 27.25 mm | 27.25 mm |
| Basic dynamic load ratingC | 91.2 kN | 125 kN |
| Basic static load ratingC0 | 108 kN | 113 kN |
| Fatigue load limitPu | 13 kN | — |
| Reference speednref | 4650 r/min | — |
| Limiting speednG | 5680 r/min | — |
| Mass≈m | 0.96 kg | 0.94 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 | T7FB045 | — |
| Calculation Factors | ||
| K Factor | — | 0.71 |
| Y1 Factor | — | 0.73 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.40 |
| E Factor | — | 0.83 |
| Cg Factor | — | 0.1001 |
| 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 | 2 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.079 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 1.5 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.059 in | — |
| Distance between the apexes of the pressure conesa | 32 mm | — |
| Distance between the apexes of the pressure conesa | 1.26 in | — |
| Maximum guidance rib diameter of inner ringd1 max | 77.6 mm | — |
| Maximum guidance rib diameter of inner ringd1 max | 3.055 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 25 mm | — |
| Width, inner ringB | 0.984 in | — |
| Width, outer ringC | 18 mm | — |
| Width, outer ringC | 0.709 in | — |
| Width, totalT | 27.25 mm | — |
| Width, totalT | 1.073 in | — |
| Basic dynamic load rating, radialCr | 91,200 N | — |
| Basic dynamic load rating, radialCr | 20,503.597 lbf | — |
| Basic static load rating, radialC0r | 108,000 N | — |
| Basic static load rating, radialC0r | 24,280.576 lbf | — |
| Fatigue load limit, radialCur | 13,000 N | — |
| Fatigue load limit, radialCur | 2,922.662 lbf | — |
| Thermal speed ratingnϑr | 4,650 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 1858158 | — |
| Material Number | — | 000000000190025754 |
| Base Type | 31309 | — |
| World Assembly Part Number | — | X31309_Y31309 |
| Gpsd Group | F04 | — |
| Inner Ring Part Number | — | X31309 |
| Product Line Id | 36 | — |
| Outer Ring Part Number | — | Y31309 |
| Drawing Number | — | A-70378 |
| Upc | — | 0053893105239 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:46.317 |
| SAP material number | 0957009190000 | — |
| Base product | 2305091001 | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 56 mm | — |
| Maximum diameter of shaft shoulderda max | 2.205 in | — |
| Minimum diameter of shaft shoulderdb min | 54 mm | — |
| Minimum diameter of shaft shoulderdb min | 2.126 in | — |
| Minimum diameter of housing shoulderDa min | 79 mm | — |
| Minimum diameter of housing shoulderDa min | 3.11 in | — |
| Maximum diameter of housing shoulderDa max | 91 mm | — |
| Maximum diameter of housing shoulderDa max | 3.583 in | — |
| Minimum diameter of housing shoulderDb min | 95 mm | — |
| Minimum diameter of housing shoulderDb min | 3.74 in | — |
| Minimum axial spaceCa min | 4 mm | — |
| Minimum axial spaceCa min | 0.157 in | — |
| Minimum axial spaceCb min | 9 mm | — |
| Minimum axial spaceCb min | 0.354 in | — |
| Maximum fillet radius of shaftra max | 2 mm | — |
| Maximum fillet radius of shaftra max | 0.079 in | — |
| Maximum fillet radius of housingrb max | 1.5 mm | — |
| Maximum fillet radius of housingrb max | 0.059 in | — |
| Product characteristics | ||
| Tolerance classPN | Normal (ISO 492:2023) | — |
| Heat treatment | Standard | — |
| Internal design | Standard | — |
| Quality level | H | — |
| 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 | 1.7717 in Bore | 3.9370 in OD | 1.0728 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) | 45 mm | — |
| Outside Diameter (D) | 100 mm | — |
| Width (B) | 27.25 mm | — |
| Overall Width | — | 34.100 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 91,200 N | — |
| Radial Rating | — | 32,500 N |
| Basic Static Load Rating, Radial (C0R) | 108,000 N | — |
| Axial Rating | — | 45,900 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Rating C1 | — | 125,000 N |
| Limiting Speed (Ng) | 5,680 1/min | — |
| Dynamic Rating C90 | — | 32,500 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Dynamic Axial Rating Ca90 | — | 45,900 N |
| Reference Speed (Nϑr) | 4,650 1/min | — |
| Dynamic Axial Rating Ca1 | — | 177,000 N |
| Maximum Fillet Radius Of Housing (Rb Max) | 1.5 mm | — |
| Static Radial Rating C0 | — | 113,000 N |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 1.5 mm | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Minimum Diameter Of Housing Shoulder (Da Min) | 79 mm | — |
| Static Axial Rating C0A | — | 271,000 N |
| Minimum Diameter Of Housing Shoulder (Db Min) | 95 mm | — |
| Width, Outer Ring (C) | 18 mm | — |
| Maximum Guidance Rib Diameter Of Inner Ring (D1 Max) | 77.6 mm | — |
| Fatigue Load Limit, Radial (Cur) | 13,000 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) | 56 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 54 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 91 mm | — |
| Dynamic Axial Load Factor (Y) | 0.73 | — |
| Maximum Fillet Radius (Ra Max) | 2 mm | — |
| Minimum Axial Space (Cb Min) | 9 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 2 mm | — |
| Minimum Axial Space (Ca Min) | 4 mm | — |
| Width, Inner Ring (B) | 25 mm | — |
| Static Axial Load Factor (Y0) | 0.4 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 32 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 | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.