Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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You entered 78225-551. This table explores the base group 78225; it does not preserve or approve every requested suffix. Search your complete marking first →
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.
“78225” 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.
Brand differences at a glance
| Parameter | TIMKEN78225C / 7855157.15 × 140.03 × 36.512 mm | KOYO78225/55157.15 × 140.03 × 33.236 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 78225C / 78551 | 78225/551 |
| Product family | TS - Tapered Single | Automotive bearings |
| Detailed type | Tapered roller bearings | Automotive bearings |
| Series | 78000C | — |
| Bore diameterd | 57.15 mm | 57.15 mm |
| Outside diameterD | 140.03 mm | 140.03 mm |
| WidthB | 36.512 mm | 33.236 mm |
| Basic dynamic load ratingC | 237 kN | — |
| Basic static load ratingC0 | 234 kN | — |
| Mass≈m | 2.67 kg | 2.6 kg |
| Precision class | ABMA Class 7 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 0.67 | — |
| Y1 Factor | 0.69 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.38 | — |
| E Factor | 0.87 | — |
| Cg Factor | 0.0926 | — |
| Classification | ||
| Official Category Path | — | Automotive bearings - Automotive bearings |
| Official Classification 1 | — | Automotive bearings |
| Manufacturer Identity | ||
| Material Number | 000000000100030180 | — |
| Official Class Key | — | 200-010-000 |
| World Assembly Part Number | 78225C_78551 | — |
| Inner Ring Part Number | 78225C | — |
| Outer Ring Part Number | 78551 | — |
| Drawing Number | A-36151 | — |
| Upc | 0053893799186 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.583 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 2.2500 in Bore | 5.5130 in OD | 1.4375 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 7 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| Stockno. | — | 70545 |
| d | — | 140.03 mm |
| B | — | 33.236 mm |
| C | — | 36.513 mm |
| T | — | 23.52 mm |
| Overall Width | 44.136 mm | — |
| Mass (Reference) | — | 2.6 kg |
| Radial Rating | 61,300 N | — |
| Axial Rating | 90,900 N | — |
| Dynamic Rating C1 | 237,000 N | — |
| Dynamic Rating C90 | 61,300 N | — |
| Dynamic Axial Rating Ca90 | 90,900 N | — |
| Dynamic Axial Rating Ca1 | 351,000 N | — |
| Static Radial Rating C0 | 234,000 N | — |
| Extended Dynamic Rating Ce | 0 N | — |
| Static Axial Rating C0A | 591,000 N | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.