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
“45284” 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 | TIMKEN45284 / 4522050.8 × 104.775 × 30.162 mm | KOYO45284420 × 620 × 150 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 45284 / 45220 | 45284 |
| Product family | TS - Tapered Single | Double-row / TDI type |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 45200 | — |
| Bore diameterd | 50.8 mm | 420 mm |
| Outside diameterD | 104.775 mm | 620 mm |
| WidthB | 30.162 mm | 150 mm |
| Basic dynamic load ratingC | 153 kN | 3010 kN |
| Basic static load ratingC0 | 189 kN | 5200 kN |
| Fatigue load limitPu | — | 496 kN |
| Limiting speednG | — | 320 r/min |
| Mass≈m | 1.2 kg | 152 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.76 | — |
| Y1 Factor | 1.80 | — |
| Y2 Factor | 0.00 | — |
| 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 | 000000000100096412 | — |
| Official Class Key | — | 050-020-020 |
| World Assembly Part Number | 45284_45220 | — |
| Inner Ring Part Number | 45284 | — |
| Outer Ring Part Number | 45220 | — |
| Drawing Number | A-20542 | — |
| Upc | 0053893657370 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.077 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 2.0000 in Bore | 4.1250 in OD | 1.1875 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 620 mm |
| B | — | 150 mm |
| T | — | 150 mm |
| R(Min.) | — | 5 mm |
| Overall Width | 35.258 mm | — |
| R1(Min.) | — | 6 mm |
| Radial Rating | 39,700 N | — |
| Basic Load Ratings : Cr | — | 3010 kN |
| Axial Rating | 22,600 N | — |
| Basic Load Ratings : C0R | — | 5200 kN |
| Dynamic Rating C1 | 153,000 N | — |
| Fatigue Load Limit : Cu | — | 496 kN |
| Dynamic Rating C90 | 39,700 N | — |
| Limiting Speeds(Grease Lub.) | — | 320 min-1 |
| Dynamic Axial Rating Ca90 | 22,600 N | — |
| Limiting Speeds(Oil Lub.) | — | 430 min-1 |
| Dynamic Axial Rating Ca1 | 87,300 N | — |
| Constant E | — | 0.33 |
| Static Radial Rating C0 | 189,000 N | — |
| Axial Load Factors : Y2 | — | 2.03 |
| Extended Dynamic Rating Ce | 0 N | — |
| Axial Load Factors : Y3 | — | 3.02 |
| Static Axial Rating C0A | 184,000 N | — |
| Axial Load Factors : Y0 | — | 1.98 |
| Da(Max.) | — | 598 mm |
| Da(Min.) | — | 564 mm |
| Sa(Min.) | — | 6 mm |
| Ra(Max.) | — | 4 mm |
| Rb(Max.) | — | 5 mm |
| Mass(Refer.) | — | 152 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.