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 / With machined cage | |
| Bore diameter | d | 120 mm |
| Outside diameter | D | 260 mm |
| Width | B | 55 mm |
| Basic dynamic load rating | C | 331 kN |
| Basic static load rating | C0 | 271 kN |
| Fatigue load limit | Pu | 10.2 kN |
| Limiting speed | nG | 4100 r/min |
| Mass | ≈m | 12.6 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 020-010-000 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Angular contact ball bearings - Single-row - With machined cage | |
| Official Classification 1 | Angular contact ball bearings / Single-row / With machined cage |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 120 mm | |
| D | 260 mm | |
| B | 55 mm | |
| R(Min.) | 3 mm | |
| R1(Min.) | 1.1 mm | |
| Basic Load Ratings : Cr | 331 kN | |
| Basic Load Ratings : C0R | 271 kN | |
| Fatigue Load Limit : Cu | 10.2 kN | |
| Factor : F0 | 13.7 | |
| Limiting Speeds(Grease Lub.) | 4100 min-1 | |
| Limiting Speeds(Oil Lub.) | 5500 min-1 | |
| Load Center Spread : A | 53.0 mm | |
| Da(Min.) | 134 mm | |
| Da(Max.) | 246 mm | |
| Ra(Max.) | 2.5 mm | |
| Mass(Refer.) | 12.6 kg |
