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 | 120 mm |
| Outside diameter | D | 165 mm |
| Width | B | 45 mm |
| Basic dynamic load rating | C | 234 kN |
| Basic static load rating | C0 | 373 kN |
| Fatigue load limit | Pu | 47.6 kN |
| Limiting speed | nG | 3400 r/min |
| Mass | ≈m | 2.9 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 | 120 mm | |
| D | 165 mm | |
| B | 45 mm | |
| R(Min.) | 1.1 mm | |
| Fw | 134.5 mm | |
| Ew | - mm | |
| Basic Load Ratings : Cr | 234 kN | |
| Basic Load Ratings : C0R | 373 kN | |
| Fatigue Load Limit : Cu | 47.6 kN | |
| Limiting Speeds(Grease Lub.) | 3400 min-1 | |
| Limiting Speeds(Oil Lub.) | 4000 min-1 | |
| Da(Min.) | - mm | |
| Da(Max.) | 132 mm | |
| Db(Min.) | 137 mm | |
| Da(Max.) | 158.5 mm | |
| Ra(Max.) | 1 mm | |
| Mass(Refer.) | 2.90 kg |
