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 verified
“L555249” across 2 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | TIMKENL555249 / L555210292.1 × 374.65 × 47.625 mm | KOYOL555249/10292.1 × 374.65 × 47.625 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | L555249 / L555210 | L555249/10 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | L555200 | — |
| Bore diameterd | 292.1 mm | 292.1 mm |
| Outside diameterD | 374.65 mm | 374.65 mm |
| WidthB | 47.625 mm | 47.625 mm |
| Basic dynamic load ratingC | 520 kN | 587 kN |
| Basic static load ratingC0 | 1150 kN | 971 kN |
| Fatigue load limitPu | — | 111 kN |
| Limiting speednG | — | 760 r/min |
| Mass≈m | 11.82 kg | 11.5 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.45 | — |
| Y1 Factor | 1.49 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.82 | — |
| E Factor | 0.40 | — |
| Cg Factor | 0.1553 | — |
| 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 | 000000000100074963 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | L555249_L555210 | — |
| Inner Ring Part Number | L555249 | — |
| Outer Ring Part Number | L555210 | — |
| Drawing Number | C-29120 | — |
| Upc | 0053893778945 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:46.743 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 11.5000 in Bore | 14.7500 in OD | 1.8750 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 374.650 mm |
| T | — | 47.625 mm |
| B | — | 47.625 mm |
| C | — | 34.925 mm |
| Overall Width | 55.825 mm | — |
| R(Min.) | — | 3.6 mm |
| Radial Rating | 135,000 N | — |
| R1(Min.) | — | 3.2 mm |
| Axial Rating | 92,700 N | — |
| Basic Load Ratings : Cr | — | 587 kN |
| Dynamic Rating C1 | 520,000 N | — |
| Basic Load Ratings : C0R | — | 971 kN |
| Dynamic Rating C90 | 135,000 N | — |
| Fatigue Load Limit : Cu | — | 111 kN |
| Dynamic Axial Rating Ca90 | 92,700 N | — |
| Limiting Speeds(Grease Lub.) | — | 760 min-1 |
| Dynamic Axial Rating Ca1 | 358,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 1000 min-1 |
| Static Radial Rating C0 | 1,150,000 N | — |
| Load Center Spread : A | — | 64.7 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.40 |
| Static Axial Rating C0A | 1,340,000 N | — |
| Axial Load Factors : Y1 | — | 1.49 |
| Axial Load Factors : Y0 | — | 0.82 |
| Da | — | 351.0 mm |
| Db | — | 360.0 mm |
| Ra(Max.) | — | 3.6 mm |
| Rb(Max.) | — | 3.2 mm |
| Mass(Refer.) | — | 11.5 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.