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 | 120 mm |
| Outside diameter | D | 250 mm |
| Width | B | 102 mm |
| Fatigue load limit | Pu | 48.5 kN |
| Limiting speed | nG | 520 r/min |
| Mass | ≈m | 25 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 | 120 mm | |
| D | 250 mm | |
| T | 102 mm | |
| R(Min.) | 4 mm | |
| Basic Load Ratings Ca | 601 kN | |
| Basic Load Ratings C0A | 1460 kN | |
| Fatigue Load Limit : Cu | 48.5 kN | |
| Limiting Speeds(Grease Lub.) | 520 min-1 | |
| Limiting Speeds(Oil Lub.) | 800 min-1 | |
| D1(Max.) | 245 mm | |
| D1(Min.) | 123 mm | |
| D2 | - mm | |
| D3 | - mm | |
| A | - mm | |
| R | - mm | |
| C | - mm | |
| Da(Min.) | 196 mm | |
| Da(Max.) | 174 mm | |
| Ra(Max.) | 3 mm | |
| Mass(Refer.) | 25 kg |
