Designation system for housings
Examples and the applicable options for FNL housings are given below.

Examples
FNL 505 A
| where | FNL = | ![]() |
505 = | ![]() |
||
A = | ![]() |
Applicable options
![]() | Series |
FNL | Flanged housing |
![]() | Size identification |
5(00) | Housing for bearings on an adapter sleeve,
diameter series 2 |
..(00) |
Size code of the bearing, (00) x 5 = bearing bore diameter [mm] |
![]() | Suffixes1) | |
A | Housing for shaft end with end cover | |
B | Housing for through shaft | |
P | Housing with machined recess for guide ring | |
V | Housing with grease escape hole in the housing cover |
- 1)When multiple suffixes are used, they are listed in the same order as shown here.