Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
When a motor stops running, the first instinct is to find the part that looks
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| MFR / Brand | RHP |
|---|---|
| MPN | 7903ETDULP4 |
| Model | 7903 E T DUL P4 / 71903ACD / 3MM9303WI CR DUL / 7903A 7903A5 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 17 mm |
| OD | 30 mm |
| Width | 7 mm |
| Series | 7900 |
|---|---|
| Condition | New |
| Preload | Light |
| Material | Bearing Steel |
| Closure Type | Open |
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 4.6 kN / 1035 lbf |
| Static Load Rating | 2.6 kN / 585 lbf |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Balls |
| Max Temp | 120 °C |
| Item Weight | 0.04 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal |
| Limiting Speed | 56000 rpm |
| Cross Reference 1 | SKF 71903 ACD/P4ADGA |
|---|---|
| Cross Reference 2 | Fafnir 3MM9303WI |
| Cross Reference 3 | NSK 7903A5TYNSULP4 |
Angular Contact Bearing – 17 mm ID, 30 mm OD, 7 mm Width, Open, 25° Contact Angle
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