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 | 320 mm |
| Outside diameter | D | 440 mm |
| Width | B | 112 mm |
| Fatigue load limit | Pu | 62.9 kN |
| Limiting speed | nG | 400 r/min |
| Mass | ≈m | 52 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 | 320 mm | |
| D | 440 mm | |
| T | 112 mm | |
| R(Min.) | 3 mm | |
| Basic Load Ratings Ca | 721 kN | |
| Basic Load Ratings C0A | 2710 kN | |
| Fatigue Load Limit : Cu | 62.9 kN | |
| Limiting Speeds(Grease Lub.) | 400 min-1 | |
| Limiting Speeds(Oil Lub.) | 600 min-1 | |
| D1(Max.) | 435 mm | |
| D1(Min.) | 325 mm | |
| D2 | 380 mm | |
| D3 | 450 mm | |
| A | - mm | |
| R | - mm | |
| C | 36 mm | |
| Da(Min.) | 391 mm | |
| Da(Max.) | 369 mm | |
| Ra(Max.) | 2.5 mm | |
| Mass(Refer.) | 52 kg |
