Banded Design, Inch Standard, Grooved Raceways, Full Complement of Balls.
| Aetna Bearing Company | |
|---|---|
| Product Category | Ball Bearings |
| Product Number | E-21 |
| Product Name | E Series Ball Thrust Bearings |
| Primary Bearing Category | Thrust Bearing |
| Bore | 1.7500 inch (44.450 mm) |
| Outside Diameter | 3.0938 inch (78.581 mm) |