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 / NNU / Cylindrical bore | |
| Bore diameter | d | 670 mm |
| Outside diameter | D | 900 mm |
| Width | B | 230 mm |
| Basic dynamic load rating | C | 5270 kN |
| Basic static load rating | C0 | 14100 kN |
| Fatigue load limit | Pu | 1190 kN |
| Limiting speed | nG | 320 r/min |
| Mass | ≈m | 420 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 040-020-020 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Cylindrical roller bearings - Single-row - NNU - Cylindrical bore | |
| Official Classification 1 | Cylindrical roller bearings / Single-row / NNU / Cylindrical bore |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 670 mm | |
| D | 900 mm | |
| B | 230 mm | |
| R(Min.) | 6 mm | |
| Fw | 732 mm | |
| Ew | - mm | |
| Basic Load Ratings : Cr | 5270 kN | |
| Basic Load Ratings : C0R | 14100 kN | |
| Fatigue Load Limit : Cu | 1190 kN | |
| Limiting Speeds(Grease Lub.) | 320 min-1 | |
| Limiting Speeds(Oil Lub.) | 390 min-1 | |
| Da(Min.) | - mm | |
| Da(Max.) | 726 mm | |
| Db(Min.) | 740 mm | |
| Da(Max.) | 876 mm | |
| Ra(Max.) | 5 mm | |
| Mass(Refer.) | 420 kg |
