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| Parameter | TIMKENHM801349 / HM80131040.483 × 82.55 × 29.37 mm | KOYOHM801349/1040.483 × 82.55 × 28.575 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | HM801349 / HM801310 | HM801349/10 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | HM801300 | — |
| Bore diameterd | 40.483 mm | 40.483 mm |
| Outside diameterD | 82.55 mm | 82.55 mm |
| WidthB | 29.37 mm | 28.575 mm |
| Basic dynamic load ratingC | 103 kN | 109 kN |
| Basic static load ratingC0 | 130 kN | 117 kN |
| Fatigue load limitPu | — | 16.9 kN |
| Limiting speednG | — | 4900 r/min |
| Mass≈m | 0.72 kg | 0.732 kg |
| Precision class | ABMA Class 7 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.07 | — |
| Y1 Factor | 1.10 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.60 | — |
| E Factor | 0.55 | — |
| Cg Factor | 0.0928 | — |
| 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 | 000000000100112031 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | HM801349_HM801310 | — |
| Inner Ring Part Number | HM801349 | — |
| Outer Ring Part Number | HM801310 | — |
| Drawing Number | A-20584 | — |
| Upc | 0085706366858 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:46.307 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 1.5938 in Bore | 3.2500 in OD | 1.1563 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 7 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 82.550 mm |
| T | — | 29.370 mm |
| B | — | 28.575 mm |
| C | — | 23.020 mm |
| Overall Width | 32.575 mm | — |
| R(Min.) | — | 3.6 mm |
| Radial Rating | 26,600 N | — |
| R1(Min.) | — | 3.2 mm |
| Axial Rating | 24,900 N | — |
| Basic Load Ratings : Cr | — | 109 kN |
| Dynamic Rating C1 | 103,000 N | — |
| Basic Load Ratings : C0R | — | 117 kN |
| Dynamic Rating C90 | 26,600 N | — |
| Fatigue Load Limit : Cu | — | 16.9 kN |
| Dynamic Axial Rating Ca90 | 24,900 N | — |
| Limiting Speeds(Grease Lub.) | — | 4900 min-1 |
| Dynamic Axial Rating Ca1 | 96,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 6600 min-1 |
| Static Radial Rating C0 | 130,000 N | — |
| Load Center Spread : A | — | 24.4 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.55 |
| Static Axial Rating C0A | 207,000 N | — |
| Axial Load Factors : Y1 | — | 1.10 |
| Axial Load Factors : Y0 | — | 0.60 |
| Da | — | 68.0 mm |
| Db | — | 78.0 mm |
| Ra(Max.) | — | 3.6 mm |
| Rb(Max.) | — | 3.2 mm |
| Mass(Refer.) | — | 0.732 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.