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| Parameter | FAGK387-A57.15 × × mm | TIMKENK387A / K382-S57.15 × 96.838 × 25.4 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | K387-A | K387A / K382-S |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | K387 | 385 |
| Bore diameterd | 57.15 mm | 57.15 mm |
| Outside diameterD | — | 96.838 mm |
| WidthB | — | 25.4 mm |
| Basic dynamic load ratingC | 76 kN | 108 kN |
| Basic static load ratingC0 | 95 kN | 107 kN |
| Fatigue load limitPu | 11.5 kN | — |
| Reference speednref | 4750 r/min | — |
| Limiting speednG | 7500 r/min | — |
| Mass≈m | 0.421 kg | 0.66 kg |
| Precision class | ABMA4 — Class 4 (ANSI/ABMA 19.2:2013) | — |
| Cage | Standard — Sheet steel cage, window cage, roller-guided | — |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 120 °C | — |
| Calculation Factors | ||
| K Factor | — | 1.65 |
| Y1 Factor | — | 1.69 |
| Y2 Factor | — | -1.00 |
| Y0 Factor | — | 0.93 |
| E Factor | — | 0.35 |
| Cg Factor | — | 0.0859 |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.35 | — |
| Dynamic axial load factorY | 1.69 | — |
| Static axial load factorY0 | 0.93 | — |
| 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 | 3.6 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.142 in | — |
| Distance between the apexes of the pressure conesa | 20 mm | — |
| Distance between the apexes of the pressure conesa | 0.787 in | — |
| Guidance rib diameter of inner ringd1 | 76.6 mm | — |
| Guidance rib diameter of inner ringd1 | 3.016 in | — |
| Outer envelope circleEw | 92.968 mm | — |
| Outer envelope circleEw | 3.66 in | — |
| Contact angleα | 13.283 ° | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 21.946 mm | — |
| Width, inner ringB | 0.864 in | — |
| Basic dynamic load rating, radialCr | 76,000 N | — |
| Basic dynamic load rating, radialCr | 17,086.331 lbf | — |
| Basic static load rating, radialC0r | 95,000 N | — |
| Basic static load rating, radialC0r | 21,357.914 lbf | — |
| Fatigue load limit, radialCur | 11,500 N | — |
| Fatigue load limit, radialCur | 2,585.432 lbf | — |
| Thermal speed ratingnϑr | 4,750 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 2067243 | — |
| Material Number | — | 190034094190046285 |
| Base Type | K387 | — |
| World Assembly Part Number | — | K387A / K382-S |
| Gpsd Group | F04 | — |
| Inner Ring Part Number | — | K387A |
| Product Line Id | 36 | — |
| Outer Ring Part Number | — | K382-S |
| Official Source System | — | TS_PREPAIR |
| Official Last Run | — | 2026-08-23T00:00:00 |
| SAP material number | 0383594300000 | — |
| Base product | 2305091003 | — |
| Mounting Manager ID | K387-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 | 69 mm | — |
| Minimum diameter of shaft shoulderdb min | 2.717 in | — |
| Minimum axial spaceCRa min | 3.1 mm | — |
| Minimum axial spaceCRa min | 0.122 in | — |
| Maximum axial spaceCRb max | 0.1 mm | — |
| Maximum axial spaceCRb max | 0.004 in | — |
| Maximum fillet radius of shaftra max | 3.6 mm | — |
| Maximum fillet radius of shaftra max | 0.142 in | — |
| Product characteristics | ||
| Tolerance classABMA4 | Class 4 (ANSI/ABMA 19.2:2013) | — |
| Heat treatment | Standard | — |
| Quality level | Standard | — |
| Number of rows1 | Single-row design | — |
| Product Identity | ||
| Construction | Tapered roller bearings without outer ring (Cone) K-Series, in inch sizes | — |
| Type Description | — | TS - Tapered Single |
| Short Description | Tapered roller bearing | — |
| Number Of Rows | — | 1 |
| Tapered Bore | — | N |
| Technical Data | ||
| Overall Width | — | 25.400 mm |
| Bore Diameter (D) | 57.15 mm | — |
| Radial Rating | — | 28,000 N |
| Basic Dynamic Load Rating, Radial (Cr) | 76,000 N | — |
| Axial Rating | — | 16,900 N |
| Basic Static Load Rating, Radial (C0R) | 95,000 N | — |
| Dynamic Rating C1 | — | 108,000 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Rating C90 | — | 28,000 N |
| Limiting Speed (Ng) | 7,500 1/min | — |
| Dynamic Axial Rating Ca90 | — | 16,900 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Dynamic Axial Rating Ca1 | — | 65,400 N |
| Reference Speed (Nϑr) | 4,750 1/min | — |
| Static Radial Rating C0 | — | 107,000 N |
| Contact Angle (Α) | 13.283 ° | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Fatigue Load Limit, Radial (Cur) | 11,500 N | — |
| Static Axial Rating C0A | — | 111,000 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) | 62 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 69 mm | — |
| Dynamic Axial Load Factor (Y) | 1.69 | — |
| Maximum Fillet Radius (Ra Max) | 3.6 mm | — |
| Maximum Axial Space (Crb Max) | 0.1 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 3.6 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 76.6 mm | — |
| Minimum Axial Space (Cra Min) | 3.1 mm | — |
| Width, Inner Ring (B) | 21.946 mm | — |
| Static Axial Load Factor (Y0) | 0.93 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 20 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.