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
“45290” 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 | TIMKEN45290CA / 4522157.15 × 104.775 × 30.162 mm | KOYO45290/2057.15 × 104.775 × 30.958 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 45290CA / 45221 | 45290/20 |
| Product family | TS - Tapered Single | Automotive bearings |
| Detailed type | Tapered roller bearings | Automotive bearings |
| Series | 45200 | — |
| Bore diameterd | 57.15 mm | 57.15 mm |
| Outside diameterD | 104.775 mm | 104.775 mm |
| WidthB | 30.162 mm | 30.958 mm |
| Basic dynamic load ratingC | 182 kN | — |
| Basic static load ratingC0 | 189 kN | — |
| Mass≈m | 1.09 kg | 1.09 kg |
| Calculation Factors | ||
| K Factor | 1.76 | — |
| Y1 Factor | 1.80 | — |
| Y2 Factor | -1.00 | — |
| Y0 Factor | 0.99 | — |
| E Factor | 0.33 | — |
| Cg Factor | 0.0971 | — |
| Classification | ||
| Official Category Path | — | Automotive bearings - Automotive bearings |
| Official Classification 1 | — | Automotive bearings |
| Manufacturer Identity | ||
| Material Number | 100142357100083722 | — |
| Official Class Key | — | 200-010-000 |
| World Assembly Part Number | 45290CA / 45221 | — |
| Inner Ring Part Number | 45290CA | — |
| Outer Ring Part Number | 45221 | — |
| 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 | ||
| Stockno. | — | 70481 |
| d | — | 104.775 mm |
| Overall Width | 33.458 mm | — |
| B | — | 30.958 mm |
| Radial Rating | 47,100 N | — |
| C | — | 30.163 mm |
| Axial Rating | 26,800 N | — |
| T | — | 23.813 mm |
| Dynamic Rating C1 | 182,000 N | — |
| Mass (Reference) | — | 1.09 kg |
| Dynamic Rating C90 | 47,100 N | — |
| Dynamic Axial Rating Ca90 | 26,800 N | — |
| Dynamic Axial Rating Ca1 | 103,000 N | — |
| Static Radial Rating C0 | 189,000 N | — |
| Extended Dynamic Rating Ce | 0 N | — |
| Static Axial Rating C0A | 184,000 N | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.