Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions differ
“LM124449” across 2 loaded brands
The base designation is shared, but the loaded boundary dimensions do not agree. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| 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 |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.