Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Single-row / NN / Cylindrical bore | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 420 mm |
| Width | B | 106 mm |
| Basic dynamic load rating | C | 1370 kN |
| Basic static load rating | C0 | 2010 kN |
| Fatigue load limit | Pu | 220 kN |
| Limiting speed | nG | 1200 r/min |
| Mass | ≈m | 51.2 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 040-020-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Cylindrical roller bearings - Single-row - NN - Cylindrical bore | |
| Official Classification 1 | Cylindrical roller bearings / Single-row / NN / Cylindrical bore |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 280 mm | |
| D | 420 mm | |
| B | 106 mm | |
| R(Min.) | 4 mm | |
| Fw | - mm | |
| Ew | 384 mm | |
| Basic Load Ratings : Cr | 1370 kN | |
| Basic Load Ratings : C0R | 2010 kN | |
| Fatigue Load Limit : Cu | 220 kN | |
| Limiting Speeds(Grease Lub.) | 1200 min-1 | |
| Limiting Speeds(Oil Lub.) | 1400 min-1 | |
| Da(Min.) | 387 mm | |
| Da(Max.) | - mm | |
| Db(Min.) | - mm | |
| Da(Max.) | 404 mm | |
| Ra(Max.) | 3 mm | |
| Mass(Refer.) | 51.2 kg |
