Sapphire Cup Jewel – MT3502
Specifications
| Model | MT3502 |
| Outside Diameter | 3.98 - 4.00 |
| Length | 1.56 - 1.60 |
| Type | Sapphire |
| Custom options are available. | |
Description
Cup jewels are flat on one side, with a half spherical cup on the opposite from the flat side and frequently used as a ball bearing or with a pivot. The cup is frequently used with a semi-spherical pivot or in a design that fits a ball bearing between two cups.