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| Parameter | FAG30305-A25 × 62 × 18.25 mm | TIMKEN3030525 × 62 × 18.25 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | 30305-A | 30305 |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 30305 | 30305 |
| Bore diameterd | 25 mm | 25 mm |
| Outside diameterD | 62 mm | 62 mm |
| WidthB | 18.25 mm | 18.25 mm |
| Basic dynamic load ratingC | 47 kN | 53.8 kN |
| Basic static load ratingC0 | 45.5 kN | 49.6 kN |
| Fatigue load limitPu | 5.2 kN | — |
| Reference speednref | 8000 r/min | — |
| Limiting speednG | 12800 r/min | — |
| Mass≈m | 0.267 kg | 0.27 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 | T2FB025 | — |
| Calculation Factors | ||
| K Factor | — | 1.95 |
| Y1 Factor | — | 2.00 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 1.10 |
| E Factor | — | 0.30 |
| Cg Factor | — | 0.0532 |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.3 | — |
| Dynamic axial load factorY | 2 | — |
| Static axial load factorY0 | 1.1 | — |
| 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 | 1.5 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.059 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 | 13.1 mm | — |
| Distance between the apexes of the pressure conesa | 0.516 in | — |
| Guidance rib diameter of inner ringd1 | 42.3 mm | — |
| Guidance rib diameter of inner ringd1 | 1.665 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 17 mm | — |
| Width, inner ringB | 0.669 in | — |
| Width, outer ringC | 15 mm | — |
| Width, outer ringC | 0.591 in | — |
| Width, totalT | 18.25 mm | — |
| Width, totalT | 0.719 in | — |
| Basic dynamic load rating, radialCr | 47,000 N | — |
| Basic dynamic load rating, radialCr | 10,566.547 lbf | — |
| Basic static load rating, radialC0r | 45,500 N | — |
| Basic static load rating, radialC0r | 10,229.317 lbf | — |
| Fatigue load limit, radialCur | 5,200 N | — |
| Fatigue load limit, radialCur | 1,169.065 lbf | — |
| Thermal speed ratingnϑr | 8,000 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 383432 | — |
| Material Number | — | 000000000100039152 |
| Base Type | 30305 | — |
| World Assembly Part Number | — | X30305M_Y30305M |
| Old Designation | ["30305A","30305A.F21","30305A.J42A","30305A.F22"] | — |
| Inner Ring Part Number | — | X30305M |
| Gpsd Group | F05 | — |
| Outer Ring Part Number | — | Y30305M |
| Product Line Id | 36 | — |
| Drawing Number | — | C-118990 |
| X Life Marking | n.r. | — |
| Upc | — | 0053893430782 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:46.323 |
| SAP material number | 0167108510000 | — |
| Base product | 2305091001 | — |
| Bearing X designation | 30305-A | — |
| Mounting Manager ID | 30305-A | — |
| Grease application ID | 30305-A | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 34 mm | — |
| Maximum diameter of shaft shoulderda max | 1.339 in | — |
| Minimum diameter of shaft shoulderdb min | 32 mm | — |
| Minimum diameter of shaft shoulderdb min | 1.26 in | — |
| Minimum diameter of housing shoulderDa min | 54 mm | — |
| Minimum diameter of housing shoulderDa min | 2.126 in | — |
| Maximum diameter of housing shoulderDa max | 55 mm | — |
| Maximum diameter of housing shoulderDa max | 2.165 in | — |
| Minimum diameter of housing shoulderDb min | 57 mm | — |
| Minimum diameter of housing shoulderDb min | 2.244 in | — |
| Minimum axial spaceCa min | 2 mm | — |
| Minimum axial spaceCa min | 0.079 in | — |
| Minimum axial spaceCb min | 3 mm | — |
| Minimum axial spaceCb min | 0.118 in | — |
| Maximum fillet radius of shaftra max | 1.5 mm | — |
| Maximum fillet radius of shaftra max | 0.059 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 | Standard | — |
| Number of rows1 | Single-row design | — |
| Product Identity | ||
| Construction | Tapered roller bearings 303, main dimensions acc. to DIN 720, separable | Single Row Tapered Roller Bearing Assembly | Imperial Series | 0.9843 in Bore | 2.4409 in OD | 0.7185 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) | 25 mm | — |
| Overall Width | — | 20.300 mm |
| Outside Diameter (D) | 62 mm | — |
| Radial Rating | — | 13,900 N |
| Width (B) | 18.25 mm | — |
| Axial Rating | — | 7,160 N |
| Basic Dynamic Load Rating, Radial (Cr) | 47,000 N | — |
| Dynamic Rating C1 | — | 53,800 N |
| Basic Static Load Rating, Radial (C0R) | 45,500 N | — |
| Dynamic Rating C90 | — | 13,900 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Axial Rating Ca90 | — | 7,160 N |
| Limiting Speed (Ng) | 12,800 1/min | — |
| Dynamic Axial Rating Ca1 | — | 27,600 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Static Radial Rating C0 | — | 49,600 N |
| Reference Speed (Nϑr) | 8,000 1/min | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Maximum Fillet Radius Of Housing (Rb Max) | 1.5 mm | — |
| Static Axial Rating C0A | — | 43,400 N |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 1.5 mm | — |
| Minimum Diameter Of Housing Shoulder (Da Min) | 54 mm | — |
| Minimum Diameter Of Housing Shoulder (Db Min) | 57 mm | — |
| Width, Outer Ring (C) | 15 mm | — |
| Fatigue Load Limit, Radial (Cur) | 5,200 N | — |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.3 | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 34 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 32 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 55 mm | — |
| Dynamic Axial Load Factor (Y) | 2 | — |
| Maximum Fillet Radius (Ra Max) | 1.5 mm | — |
| Minimum Axial Space (Cb Min) | 3 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 1.5 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 42.3 mm | — |
| Minimum Axial Space (Ca Min) | 2 mm | — |
| Width, Inner Ring (B) | 17 mm | — |
| Static Axial Load Factor (Y0) | 1.1 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 13.1 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.