Two metal shields = (ZZ), also available with a single metal shield = (Z).
| AST Bearings LLC | |
|---|---|
| Product Category | Ball Bearings |
| Product Number | 6318ZZ |
| Product Name | Ball and Roller Bearings |
| Primary Bearing Category | Radial Ball Bearing |
| Bearing Class | A1 |
| Type | Conrad / Deep Groove |
| Design Units | Inch |
| Bore | 3.5433 inch (90.000 mm) |
