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| Parameter | TIMKENJHM534149 / JHM534110170 × 230 × 39 mm | KOYOJHM534149/10170 × 230 × 38 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | JHM534149 / JHM534110 | JHM534149/10 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | HM534100 | — |
| Bore diameterd | 170 mm | 170 mm |
| Outside diameterD | 230 mm | 230 mm |
| WidthB | 39 mm | 38 mm |
| Basic dynamic load ratingC | 335 kN | 363 kN |
| Basic static load ratingC0 | 590 kN | 558 kN |
| Fatigue load limitPu | — | 72.8 kN |
| Limiting speednG | — | 1400 r/min |
| Mass≈m | 4.33 kg | 4.46 kg |
| Precision class | ABMA Class N | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.52 | — |
| Y1 Factor | 1.57 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.86 | — |
| E Factor | 0.38 | — |
| Cg Factor | 0.1350 | — |
| 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 | 000000000100062497 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | JHM534149_JHM534110 | — |
| Inner Ring Part Number | JHM534149 | — |
| Outer Ring Part Number | JHM534110 | — |
| Drawing Number | B-51585 | — |
| Upc | 0053893661735 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.29 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 6.6929 in Bore | 9.0551 in OD | 1.5354 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class N | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 230.000 mm |
| T | — | 39.000 mm |
| B | — | 38.000 mm |
| C | — | 31.000 mm |
| Overall Width | 42.600 mm | — |
| R(Min.) | — | 3.0 mm |
| Radial Rating | 86,800 N | — |
| R1(Min.) | — | 2.5 mm |
| Axial Rating | 56,900 N | — |
| Basic Load Ratings : Cr | — | 363 kN |
| Dynamic Rating C1 | 335,000 N | — |
| Basic Load Ratings : C0R | — | 558 kN |
| Dynamic Rating C90 | 86,800 N | — |
| Fatigue Load Limit : Cu | — | 72.8 kN |
| Dynamic Axial Rating Ca90 | 56,900 N | — |
| Limiting Speeds(Grease Lub.) | — | 1400 min-1 |
| Dynamic Axial Rating Ca1 | 220,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 1900 min-1 |
| Static Radial Rating C0 | 590,000 N | — |
| Load Center Spread : A | — | 43.6 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.38 |
| Static Axial Rating C0A | 659,000 N | — |
| Axial Load Factors : Y1 | — | 1.57 |
| Axial Load Factors : Y0 | — | 0.86 |
| Da | — | 214.0 mm |
| Db | — | 222.0 mm |
| Ra(Max.) | — | 3.0 mm |
| Rb(Max.) | — | 2.5 mm |
| Mass(Refer.) | — | 4.46 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.