ABEC Grades 1, 3, 5, 7, and 9 are available.
| AST Bearings LLC | |
|---|---|
| Product Category | Ball Bearings |
| Product Number | 6311 |
| Product Name | Ball and Roller Bearings |
| Primary Bearing Category | Radial Ball Bearing |
| Bearing Class | A1 |
| Type | Conrad / Deep Groove |
| Design Units | Inch |
| Bore | 2.1654 inch (55.000 mm) |
