Guidelines for spacer ring modification
| Preload change of a
bearing set |
Width reduction | Requisite spacer ring between bearings arranged | ||
| Value | back-to-back | face-to-face | ||
| Increasing the preload | ||||
| from A to B | a | inner | outer | |
| from B to C | b | inner | outer | |
| from C to D | c | inner | outer | |
| from A to C | a + b | inner | outer | |
| from A to D | a + b + c | inner | outer | |
| Decreasing the preload | ||||
| from B to A | a | outer | inner | |
| from C to B | b | outer | inner | |
| from D to C | c | outer | inner | |
| from C to A | a + b | outer | inner | |
| from D to A | a + b + c | outer | inner | |
