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| Parameter | FAG31310-A50 × 110 × 29.25 mm | TIMKEN3131050 × 110 × 29.25 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | 31310-A | 31310 |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 31310 | 31310 |
| Bore diameterd | 50 mm | 50 mm |
| Outside diameterD | 110 mm | 110 mm |
| WidthB | 29.25 mm | 29.25 mm |
| Basic dynamic load ratingC | 111 kN | 147 kN |
| Basic static load ratingC0 | 125 kN | 132 kN |
| Fatigue load limitPu | 14.2 kN | — |
| Reference speednref | 4300 r/min | — |
| Limiting speednG | 6500 r/min | — |
| Mass≈m | 1.209 kg | 1.21 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 | T7FB050 | — |
| Calculation Factors | ||
| K Factor | — | 0.71 |
| Y1 Factor | — | 0.73 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.40 |
| E Factor | — | 0.83 |
| Cg Factor | — | 0.0690 |
| 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 | 2.5 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.098 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 2 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.079 in | — |
| Distance between the apexes of the pressure conesa | 35 mm | — |
| Distance between the apexes of the pressure conesa | 1.378 in | — |
| Guidance rib diameter of inner ringd1 | 81.4 mm | — |
| Guidance rib diameter of inner ringd1 | 3.205 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 27 mm | — |
| Width, inner ringB | 1.063 in | — |
| Width, outer ringC | 19 mm | — |
| Width, outer ringC | 0.748 in | — |
| Width, totalT | 29.25 mm | — |
| Width, totalT | 1.152 in | — |
| Basic dynamic load rating, radialCr | 111,000 N | — |
| Basic dynamic load rating, radialCr | 24,955.036 lbf | — |
| Basic static load rating, radialC0r | 125,000 N | — |
| Basic static load rating, radialC0r | 28,102.518 lbf | — |
| Fatigue load limit, radialCur | 14,200 N | — |
| Fatigue load limit, radialCur | 3,192.446 lbf | — |
| Thermal speed ratingnϑr | 4,300 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 383488 | — |
| Material Number | — | 000000000190073046 |
| Base Type | 31310 | — |
| World Assembly Part Number | — | X31310G_Y31310G |
| Old Designation | ["31310A","31310A.F21","31310A.F22"] | — |
| Inner Ring Part Number | — | X31310G |
| Gpsd Group | F04 | — |
| Outer Ring Part Number | — | Y31310G |
| Product Line Id | 36 | — |
| Drawing Number | — | C-120222 |
| X Life Marking | n.r. | — |
| Upc | — | 0053893007564 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:46.737 |
| SAP material number | 0167111570000 | — |
| Base product | 2305091001 | — |
| Bearing X designation | 31310-A | — |
| Mounting Manager ID | 31310-A | — |
| Grease application ID | 31310-A | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 62 mm | — |
| Maximum diameter of shaft shoulderda max | 2.441 in | — |
| Minimum diameter of shaft shoulderdb min | 60 mm | — |
| Minimum diameter of shaft shoulderdb min | 2.362 in | — |
| Minimum diameter of housing shoulderDa min | 87 mm | — |
| Minimum diameter of housing shoulderDa min | 3.425 in | — |
| Maximum diameter of housing shoulderDa max | 100 mm | — |
| Maximum diameter of housing shoulderDa max | 3.937 in | — |
| Minimum diameter of housing shoulderDb min | 104 mm | — |
| Minimum diameter of housing shoulderDb min | 4.094 in | — |
| Minimum axial spaceCa min | 4 mm | — |
| Minimum axial spaceCa min | 0.157 in | — |
| Minimum axial spaceCb min | 10 mm | — |
| Minimum axial spaceCb min | 0.394 in | — |
| Maximum fillet radius of shaftra max | 2.5 mm | — |
| Maximum fillet radius of shaftra max | 0.098 in | — |
| Maximum fillet radius of housingrb max | 2 mm | — |
| Maximum fillet radius of housingrb max | 0.079 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 | 1.9685 in Bore | 4.3307 in OD | 1.1516 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class K |
| Type Description | — | TS - Tapered Single |
| Short Description | Tapered roller bearing | — |
| Number Of Rows | — | 1 |
| Tapered Bore | — | N |
| Technical Data | ||
| Bore Diameter (D) | 50 mm | — |
| Overall Width | — | 35.900 mm |
| Outside Diameter (D) | 110 mm | — |
| Radial Rating | — | 38,200 N |
| Width (B) | 29.25 mm | — |
| Axial Rating | — | 54,000 N |
| Basic Dynamic Load Rating, Radial (Cr) | 111,000 N | — |
| Dynamic Rating C1 | — | 147,000 N |
| Basic Static Load Rating, Radial (C0R) | 125,000 N | — |
| Dynamic Rating C90 | — | 38,200 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Axial Rating Ca90 | — | 54,000 N |
| Limiting Speed (Ng) | 6,500 1/min | — |
| Dynamic Axial Rating Ca1 | — | 208,000 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Static Radial Rating C0 | — | 132,000 N |
| Reference Speed (Nϑr) | 4,300 1/min | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Maximum Fillet Radius Of Housing (Rb Max) | 2 mm | — |
| Static Axial Rating C0A | — | 318,000 N |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 2 mm | — |
| Minimum Diameter Of Housing Shoulder (Da Min) | 87 mm | — |
| Minimum Diameter Of Housing Shoulder (Db Min) | 104 mm | — |
| Width, Outer Ring (C) | 19 mm | — |
| Fatigue Load Limit, Radial (Cur) | 14,200 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) | 62 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 60 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 100 mm | — |
| Dynamic Axial Load Factor (Y) | 0.73 | — |
| Maximum Fillet Radius (Ra Max) | 2.5 mm | — |
| Minimum Axial Space (Cb Min) | 10 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 2.5 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 81.4 mm | — |
| Minimum Axial Space (Ca Min) | 4 mm | — |
| Width, Inner Ring (B) | 27 mm | — |
| Static Axial Load Factor (Y0) | 0.4 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 35 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.