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| Parameter | TIMKEN47896 / 4782095.25 × 146.05 × 33.338 mm | KOYO47896R/2095.25 × 146.05 × 34.925 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 47896 / 47820 | 47896R/20 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 47800 | — |
| Bore diameterd | 95.25 mm | 95.25 mm |
| Outside diameterD | 146.05 mm | 146.05 mm |
| WidthB | 33.338 mm | 34.925 mm |
| Basic dynamic load ratingC | 197 kN | 223 kN |
| Basic static load ratingC0 | 307 kN | 293 kN |
| Fatigue load limitPu | — | 43.2 kN |
| Limiting speednG | — | 2500 r/min |
| Mass≈m | 1.96 kg | 1.997 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.30 | — |
| Y1 Factor | 1.34 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.74 | — |
| E Factor | 0.45 | — |
| Cg Factor | 0.1428 | — |
| Classification | ||
| Official Category Path | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | Tapered roller bearings / Single-row / Inch series |
| Manufacturer Identity | ||
| Material Number | 000000000100007970 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | 47896_47820 | — |
| Inner Ring Part Number | 47896 | — |
| Outer Ring Part Number | 47820 | — |
| Drawing Number | A-9476 | — |
| Upc | 0053893657578 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.593 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 3.7500 in Bore | 5.7500 in OD | 1.3125 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 146.050 mm |
| T | — | 33.338 mm |
| B | — | 34.925 mm |
| C | — | 26.195 mm |
| Overall Width | 38.025 mm | — |
| R(Min.) | — | 3.6 mm |
| Radial Rating | 51,100 N | — |
| R1(Min.) | — | 3.2 mm |
| Axial Rating | 39,200 N | — |
| Basic Load Ratings : Cr | — | 223 kN |
| Dynamic Rating C1 | 197,000 N | — |
| Basic Load Ratings : C0R | — | 293 kN |
| Dynamic Rating C90 | 51,100 N | — |
| Fatigue Load Limit : Cu | — | 43.2 kN |
| Dynamic Axial Rating Ca90 | 39,200 N | — |
| Limiting Speeds(Grease Lub.) | — | 2500 min-1 |
| Dynamic Axial Rating Ca1 | 151,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 3300 min-1 |
| Static Radial Rating C0 | 307,000 N | — |
| Load Center Spread : A | — | 32.6 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.45 |
| Static Axial Rating C0A | 400,000 N | — |
| Axial Load Factors : Y1 | — | 1.34 |
| Axial Load Factors : Y0 | — | 0.74 |
| Da | — | 131.0 mm |
| Db | — | 140.0 mm |
| Ra(Max.) | — | 3.6 mm |
| Rb(Max.) | — | 3.2 mm |
| Mass(Refer.) | — | 1.997 kg |
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.