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
“45280” 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 | TIMKEN45280 / 4522144.45 × 104.775 × 30.162 mm | KOYO45280400 × 600 × 148 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 45280 / 45221 | 45280 |
| Product family | TS - Tapered Single | Double-row / TDI type |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 45200 | — |
| Bore diameterd | 44.45 mm | 400 mm |
| Outside diameterD | 104.775 mm | 600 mm |
| WidthB | 30.162 mm | 148 mm |
| Basic dynamic load ratingC | 153 kN | 3020 kN |
| Basic static load ratingC0 | 189 kN | 4960 kN |
| Fatigue load limitPu | — | 478 kN |
| Limiting speednG | — | 340 r/min |
| Mass≈m | 1.34 kg | 143 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 | — | Tapered roller bearings - Double-row - TDI type |
| Official Classification 1 | — | Tapered roller bearings / Double-row / TDI type |
| Manufacturer Identity | ||
| Material Number | 100083727100083722 | — |
| Official Class Key | — | 050-020-020 |
| World Assembly Part Number | 45280 / 45221 | — |
| Inner Ring Part Number | 45280 | — |
| 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 | ||
| d | — | 600 mm |
| Overall Width | 33.458 mm | — |
| B | — | 148 mm |
| Radial Rating | 39,700 N | — |
| T | — | 148 mm |
| Axial Rating | 22,600 N | — |
| R(Min.) | — | 5 mm |
| Dynamic Rating C1 | 153,000 N | — |
| R1(Min.) | — | 6 mm |
| Dynamic Rating C90 | 39,700 N | — |
| Basic Load Ratings : Cr | — | 3020 kN |
| Dynamic Axial Rating Ca90 | 22,600 N | — |
| Basic Load Ratings : C0R | — | 4960 kN |
| Dynamic Axial Rating Ca1 | 87,300 N | — |
| Fatigue Load Limit : Cu | — | 478 kN |
| Static Radial Rating C0 | 189,000 N | — |
| Limiting Speeds(Grease Lub.) | — | 340 min-1 |
| Extended Dynamic Rating Ce | 0 N | — |
| Limiting Speeds(Oil Lub.) | — | 450 min-1 |
| Static Axial Rating C0A | 184,000 N | — |
| Constant E | — | 0.33 |
| Axial Load Factors : Y2 | — | 2.03 |
| Axial Load Factors : Y3 | — | 3.02 |
| Axial Load Factors : Y0 | — | 1.98 |
| Da(Max.) | — | 578 mm |
| Da(Min.) | — | 545 mm |
| Sa(Min.) | — | 6 mm |
| Ra(Max.) | — | 4 mm |
| Rb(Max.) | — | 5 mm |
| Mass(Refer.) | — | 143 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.