| SILVERTHIN BEARING GROUP p/n | Rotek Part Number |
| SK6-16EZ | L6-16E9Z |
| SK6-16NZ | L6-16N9Z |
| SK6-16PZ | L6-16P9Z |
| SK6-22EZ | L6-22E9Z |
| SK6-22NZ | L6-22N9Z |
| SK6-22PZ | L6-22P9Z |
| SK6-25EZ | L6-25E9Z |
| SK6-25NZ | L6-25N9Z |
| SK6-25PZ | L6-25P9Z |
| SK6-29EZ | L6-29E9Z |
| SK6-29NZ | L6-29N9Z |
| SK6-29PZ | L6-29P9Z |
| SK6-33EZ | L6-33E9Z |
| SK6-33NZ | L6-33N9Z |
| SK6-33PZ | L6-33P9Z |
| SK6-37EZ | L6-37E9Z |
| SK6-37NZ | L6-37N9Z |
| SK6-37PZ | L6-37P9Z |
| SK6-43EZ | L6-43E9Z |
| SK6-43NZ | L6-43N9Z |
| SK6-43PZ | L6-43P9Z |