Designation system - KOYO
Manufacturer
Suffix
Prefix
Found: 427
| Suffix/Prefix | Manufacturer | Description | Example | Refers to |
|---|---|---|---|---|
| FG | KOYO | Cage material: Polyamide. Molded cage. | 6205 C4 FG | |
| FH | KOYO | Machined cage, case hardened. | K15X20X13 FH | Needle roller bearings |
| F | KOYO | Machined cage. | K20X25X40 F ZW | Needle roller bearings |
| EEM | KOYO | Two metal shields (FG styles only). | FG619 EEM | Track Rollers |
| F | KOYO | SAE4320 (Carburizing steel). | ||
| EE | KOYO | Two polymer shields (FG styles only). | FG3062 EE | Track Rollers |
| E4 | KOYO | Machining: Non-lubricating type. | UCFB204JE4 | Insert bearing units |
| EF | KOYO | Lubricant code: Aero Shell fluid12. | Miniature and Extra -small Ball Bearings | |
| E | KOYO | SAE8620 (Carburizing steel). | ||
| E1 | KOYO | Machining: Pressed steel cover mounting groove. | UCT209J E1 | Insert bearing units |