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
“303” 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 | TIMKEN303KDFS5000017 × 47 × 14 mm | KOYO303/22R22 × 56 × 16 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 303KDFS50000 | 303/22R |
| Product family | Radial Deep-Groove Ball | Single-row / Metric series |
| Detailed type | Deep groove ball bearings | Tapered roller bearings |
| Series | 300 | — |
| Bore diameterd | 17 mm | 22 mm |
| Outside diameterD | 47 mm | 56 mm |
| WidthB | 14 mm | 16 mm |
| Basic dynamic load ratingC | 13.5 kN | 52.2 kN |
| Basic static load ratingC0 | 6.53 kN | 41.1 kN |
| Fatigue load limitPu | — | 5.95 kN |
| Limiting speednG | — | 7500 r/min |
| Mass≈m | 0.11 kg | 0.216 kg |
| Sealing | Shielded | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 0.00 | — |
| Y1 Factor | 0.00 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.50 | — |
| E Factor | 0.00 | — |
| Cg Factor | 0.0250 | — |
| Classification | ||
| Official Category Path | — | Tapered roller bearings - Single-row - Metric series |
| Official Classification 1 | — | Tapered roller bearings / Single-row / Metric series |
| Manufacturer Identity | ||
| Material Number | 000000000100198185 | — |
| Official Class Key | — | 050-010-010 |
| World Assembly Part Number | 303KD Z6 FS50000 | — |
| Upc | 0087796046252 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.927 | — |
| Product Identity | ||
| Type Description | Radial Deep-Groove Ball | — |
| Construction | Single Row Deep Groove Ball Bearing | Imperial Series | 0.6693 in Bore | 1.8504 in OD | 0.5510 in Width | Single Shielded | Cylindrical Bore | Steel Cage | C0 Clearance | ISO P0 Tolerance | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 56 mm |
| Overall Width | 0.000 mm | — |
| T | — | 17.25 mm |
| Radial Rating | 15,000 N | — |
| B | — | 16 mm |
| Axial Rating | 0 N | — |
| C | — | 14 mm |
| Dynamic Rating C1 | 13,500 N | — |
| R(Min.) | — | 1.5 mm |
| Dynamic Rating C90 | 0 N | — |
| R1(Min.) | — | 1.5 mm |
| Dynamic Axial Rating Ca90 | 0 N | — |
| Basic Load Ratings : Cr | — | 52.2 kN |
| Dynamic Axial Rating Ca1 | 0 N | — |
| Basic Load Ratings : C0R | — | 41.1 kN |
| Static Radial Rating C0 | 6,530 N | — |
| Fatigue Load Limit : Cu | — | 5.95 kN |
| Extended Dynamic Rating Ce | 15,000 N | — |
| Limiting Speeds(Grease Lub.) | — | 7500 min-1 |
| Static Axial Rating C0A | 0 N | — |
| Limiting Speeds(Oil Lub.) | — | 10000 min-1 |
| Load Center Spread : A | — | 12.2 mm |
| Constant E | — | 0.31 |
| Axial Load Factors : Y1 | — | 1.97 |
| Axial Load Factors : Y0 | — | 1.08 |
| Da(Min.) | — | 47 mm |
| Db(Max.) | — | 32 mm |
| Da(Max.) | — | 47.5 mm |
| Db(Min.) | — | 51 mm |
| Sa(Min.) | — | 2 mm |
| Sb(Min.) | — | 3 mm |
| Ra(Max.) | — | 1.5 mm |
| Rb(Max.) | — | 1.5 mm |
| Mass(Refer.) | — | 0.216 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.