Designation system for end covers
Examples and the applicable options for end covers for SONL housings are given below.
Example
| ECO 217-517 | where | ECO = |  |
| 217-517 = |  |
Applicable options
 | Series |
| ECO | End cover with two rubber O-rings for SONL plummer block housings |
 | Size identification |
| 2(00)-5(00)
| Housing size identification |
