| Dimensions |
- d17
- D30
- B7
- r Minimum0.3
- r 1 (Minimum)0.15
|
| Load rating (N) |
|
| Load rating {kgf} |
|
| Installation size (mm) |
- d a (Minimum)19.5
- Da (Maximum)27.5
- r a (Maximum)0.3
|
| Bearing code(2) |
- Single column7903A5
- DB7903DB
- DF7903DF
- DT7903DT
|
| Rated load (paired double type) (N) |
|
| Paired Duplex Limit speed(1) (rpm) |
- Grease lubrication24000
- Oil lubrication32000
|
| Paired Duplex Action point distance a0(mm) |
- Back-to-back configuration18
- Face-to-face configuration4.0
|
| Paired Duplex Installation size(mm) |
- d b (3) (Minimum)-
- Db (Maximum)28.8
- r b (3) (Maximum)0.15
|
| Coefficientfo |
|
| weight(kg) |
|
| Limit speed(1) (rpm) |
- Grease lubrication30000
- Oil lubrication40000
|
| Action point position(mm) |
|
| Rated load (paired double type){kgf} |
|
