Designation system - KOYO
Manufacturer
Suffix
Prefix
Found: 427
| Suffix/Prefix | Manufacturer | Description | Example | Refers to |
|---|---|---|---|---|
| OH | KOYO | Oil hole. | BH-1616 OH | Needle roller bearings |
| NR | KOYO | Snap ring groove and locating snap ring on outer ring outside surface provided. | 6311 NR | Ball bearing |
| NY | KOYO | Creep prevention synthetic resin ring on outer ring outside surface provided. | 6307 NY C3 | Ball bearing |
| NA | KOYO | Non-interchangeable cylindrical roller bearing radial internal clearance (C1NA to C5NA). | NN3009KC1 NA P4 | Cylindrical roller bearing |
| N2 | KOYO | Grease nipple: C type (90º). | Insert bearing units | |
| N1 | KOYO | Grease nipple: B type (67.5º). | Insert bearing units | |
| N | KOYO | Electric motor quality for 29000 series. | Spherical roller bearing | |
| N | KOYO | With snap ring groove (outer ring). | Needle roller bearings | |
| MSA | KOYO | Molybdenum disulfide baking. | ||
| N | KOYO | Snap ring groove on outer ring outside surface provided. | 6206 N |