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| Parameter | TIMKEN6280 / 622053.975 × 127 × 50.8 mm | KOYO6280400 × 720 × 103 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 6280 / 6220 | 6280 |
| Product family | TS - Tapered Single | Single-row / Open type |
| Detailed type | Tapered roller bearings | Deep groove ball bearings |
| Series | 6200 | — |
| Bore diameterd | 53.975 mm | 400 mm |
| Outside diameterD | 127 mm | 720 mm |
| WidthB | 50.8 mm | 103 mm |
| Basic dynamic load ratingC | 306 kN | 785 kN |
| Basic static load ratingC0 | 370 kN | 1080 kN |
| Fatigue load limitPu | — | 34.2 kN |
| Limiting speednG | — | 590 r/min |
| Mass≈m | 3.27 kg | 197 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | Open |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.96 | — |
| Y1 Factor | 2.01 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 1.11 | — |
| E Factor | 0.30 | — |
| Cg Factor | 0.0757 | — |
| Classification | ||
| Official Category Path | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | Deep groove ball bearings / Single-row / Open type |
| Manufacturer Identity | ||
| Material Number | 000000000100035331 | — |
| Official Class Key | — | 010-010-010 |
| World Assembly Part Number | 6280_6220 | — |
| Inner Ring Part Number | 6280 | — |
| Outer Ring Part Number | 6220 | — |
| Drawing Number | A-2512 | — |
| Upc | 0053893785165 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.577 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 2.1250 in Bore | 5.0000 in OD | 2.0000 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 720 mm |
| B | — | 103 mm |
| R(Min.) | — | 6 mm |
| Basic Load Ratings : Cr | — | 785 kN |
| Overall Width | 57.788 mm | — |
| Basic Load Ratings : C0R | — | 1080 kN |
| Radial Rating | 79,300 N | — |
| Fatigue Load Limit : Cu | — | 34.2 kN |
| Axial Rating | 40,500 N | — |
| Factor : F0 | — | 15.5 |
| Dynamic Rating C1 | 306,000 N | — |
| Limiting Speeds(Grease Lub.) | — | 590 min-1 |
| Dynamic Rating C90 | 79,300 N | — |
| Limiting Speeds(Oil Lub.) | — | 710 min-1 |
| Dynamic Axial Rating Ca90 | 40,500 N | — |
| Da(Min.) | — | 424 mm |
| Dynamic Axial Rating Ca1 | 156,000 N | — |
| Da(Max.) | — | 696 mm |
| Static Radial Rating C0 | 370,000 N | — |
| Ra(Max.) | — | 5 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Mass(Refer.) | — | 197 kg |
| Static Axial Rating C0A | 322,000 N | — |
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.