Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Single direction / With flat back faces | |
| Bore diameter | d | 340 mm |
| Outside diameter | D | 420 mm |
| Width | B | 64 mm |
| Fatigue load limit | Pu | 43.1 kN |
| Limiting speed | nG | 500 r/min |
| Mass | ≈m | 20.5 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 070-010-000 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Thrust ball bearings - Single direction - With flat back faces | |
| Official Classification 1 | Thrust ball bearings / Single direction / With flat back faces |
Technical Data20 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 340 mm | |
| D | 420 mm | |
| T | 64 mm | |
| R(Min.) | 2 mm | |
| Basic Load Ratings Ca | 483 kN | |
| Basic Load Ratings C0A | 1860 kN | |
| Fatigue Load Limit : Cu | 43.1 kN | |
| Limiting Speeds(Grease Lub.) | 500 min-1 | |
| Limiting Speeds(Oil Lub.) | 770 min-1 | |
| D1(Max.) | 416 mm | |
| D1(Min.) | 344 mm | |
| D2 | - mm | |
| D3 | - mm | |
| A | - mm | |
| R | - mm | |
| C | - mm | |
| Da(Min.) | 388 mm | |
| Da(Max.) | 372 mm | |
| Ra(Max.) | 2 mm | |
| Mass(Refer.) | 20.5 kg |
