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| Parameter | TIMKENHH228349V-99401127 × 254 × 77.788 mm | KOYOHH228349/10127 × 254 × 82.55 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | HH228349V-99401 | HH228349/10 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | HH228300 | — |
| Bore diameterd | 127 mm | 127 mm |
| Outside diameterD | 254 mm | 254 mm |
| WidthB | 77.788 mm | 82.55 mm |
| Basic dynamic load ratingC | 1080 kN | 895 kN |
| Basic static load ratingC0 | 1240 kN | 1050 kN |
| Fatigue load limitPu | — | 125 kN |
| Limiting speednG | — | 1500 r/min |
| Mass≈m | 17.7 kg | 17.8 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.82 | — |
| Y1 Factor | 1.87 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 1.03 | — |
| E Factor | 0.32 | — |
| Cg Factor | 0.1329 | — |
| 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 | 000000000100371228 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | HH228349V_HH228310V | — |
| Inner Ring Part Number | HH228349V | — |
| Outer Ring Part Number | HH228310V | — |
| Drawing Number | B-69410 | — |
| Upc | 0013992331571 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.383 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 5.0000 in Bore | 10.0000 in OD | 3.0625 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 254.000 mm |
| T | — | 77.788 mm |
| B | — | 82.550 mm |
| C | — | 61.912 mm |
| Overall Width | 90.150 mm | — |
| R(Min.) | — | 9.5 mm |
| Radial Rating | 280,000 N | — |
| R1(Min.) | — | 6.4 mm |
| Axial Rating | 154,000 N | — |
| Basic Load Ratings : Cr | — | 895 kN |
| Dynamic Rating C1 | 1,080,000 N | — |
| Basic Load Ratings : C0R | — | 1050 kN |
| Dynamic Rating C90 | 280,000 N | — |
| Fatigue Load Limit : Cu | — | 125 kN |
| Dynamic Axial Rating Ca90 | 154,000 N | — |
| Limiting Speeds(Grease Lub.) | — | 1500 min-1 |
| Dynamic Axial Rating Ca1 | 593,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 2000 min-1 |
| Static Radial Rating C0 | 1,240,000 N | — |
| Load Center Spread : A | — | 54.3 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.32 |
| Static Axial Rating C0A | 1,160,000 N | — |
| Axial Load Factors : Y1 | — | 1.87 |
| Axial Load Factors : Y0 | — | 1.03 |
| Da | — | 223.0 mm |
| Db | — | 234.0 mm |
| Ra(Max.) | — | 9.5 mm |
| Rb(Max.) | — | 6.4 mm |
| Mass(Refer.) | — | 17.8 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.