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| Parameter | TIMKENLM124449 / LM124410120.65 × 166.688 × 36.513 mm | KOYOLM124449D/410/410D120.65 × 166.688 × 152.414 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | LM124449 / LM124410 | LM124449D/410/410D |
| Product family | TS - Tapered Single | Four-row tapered roller bearings |
| Detailed type | Tapered roller bearings | Rolling mill roll neck bearings |
| Series | LM124400 | — |
| Bore diameterd | 120.65 mm | 120.65 mm |
| Outside diameterD | 166.688 mm | 166.688 mm |
| WidthB | 36.513 mm | 152.414 mm |
| Basic dynamic load ratingC | 209 kN | 682 kN |
| Basic static load ratingC0 | 379 kN | 1460 kN |
| Fatigue load limitPu | — | 206 kN |
| Mass≈m | 2.29 kg | 9.84 kg |
| Calculation Factors | ||
| K Factor | 1.99 | — |
| Y1 Factor | 2.04 | — |
| Y2 Factor | -1.00 | — |
| Y0 Factor | 1.12 | — |
| E Factor | 0.29 | — |
| Cg Factor | 0.1510 | — |
| Classification | ||
| Official Category Path | — | Rolling mill roll neck bearings - Four-row tapered roller bearings |
| Official Classification 1 | — | Rolling mill roll neck bearings / Four-row tapered roller bearings |
| Manufacturer Identity | ||
| Material Number | 100016672100017263 | — |
| Official Class Key | — | 140-020-000 |
| World Assembly Part Number | LM124449 / LM124410 | — |
| Inner Ring Part Number | LM124449 | — |
| Outer Ring Part Number | LM124410 | — |
| Official Source System | TS_PREPAIR | — |
| Official Last Run | 2026-08-23T00:00:00 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 166.688 mm |
| T | — | 152.414 mm |
| Overall Width | 37.312 mm | — |
| W | — | 152.400 mm |
| Radial Rating | 54,200 N | — |
| R(Min.) | — | 3.3 mm |
| Axial Rating | 27,300 N | — |
| R1(Min.) | — | 1.6 mm |
| Dynamic Rating C1 | 209,000 N | — |
| Basic Load Ratings : Cr | — | 682 kN |
| Dynamic Rating C90 | 54,200 N | — |
| Basic Load Ratings : C0R | — | 1460 kN |
| Dynamic Axial Rating Ca90 | 27,300 N | — |
| Fatigue Load Limit : Cu | — | 206 kN |
| Dynamic Axial Rating Ca1 | 105,000 N | — |
| Axial Load Factors : Y2 | — | 2.30 mm |
| Static Radial Rating C0 | 379,000 N | — |
| Axial Load Factors : Y3 | — | 3.42 |
| Extended Dynamic Rating Ce | 0 N | — |
| Axial Load Factors : Y0 | — | 2.25 |
| Static Axial Rating C0A | 325,000 N | — |
| Constant E | — | 0.29 |
| Da(Min.) | — | 132 mm |
| Da(Max.) | — | 150 mm |
| S(Min.) | — | 2.3 mm |
| Ra(Max.) | — | 3.3 mm |
| Rb(Max.) | — | 1.6 mm |
| Mass(Refer.) | — | 9.84 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.