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 | 25 mm |
| Outside diameter | D | 52 mm |
| Width | B | 18 mm |
| Fatigue load limit | Pu | 2.75 kN |
| Limiting speed | nG | 3100 r/min |
| Mass | ≈m | 0.18 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 | 25 mm | |
| D | 52 mm | |
| T | 18 mm | |
| R(Min.) | 1 mm | |
| Basic Load Ratings Ca | 44.7 kN | |
| Basic Load Ratings C0A | 61.4 kN | |
| Fatigue Load Limit : Cu | 2.75 kN | |
| Limiting Speeds(Grease Lub.) | 3100 min-1 | |
| Limiting Speeds(Oil Lub.) | 4800 min-1 | |
| D1(Max.) | 52 mm | |
| D1(Min.) | 27 mm | |
| D2 | - mm | |
| D3 | - mm | |
| A | - mm | |
| R | - mm | |
| C | - mm | |
| Da(Min.) | 41 mm | |
| Da(Max.) | 36 mm | |
| Ra(Max.) | 1 mm | |
| Mass(Refer.) | 0.18 kg |

