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

Examples
SNLD 3134 SN
| where | SNL = | ![]() |
D = | ![]() |
||
3134 = | ![]() |
||
SN = | ![]() |
Applicable options
![]() | Series |
SNL | Standard plummer block housing |
![]() | Material |
– | Grey cast iron |
D | Spheroidal graphite cast iron |
![]() | Size identification |
30(00) | Housing for bearings in the 30 dimension series |
31(00) | Housing for bearings in the 31 dimension series |
32(00) | Housing for bearings in the 32 dimension series |
..34 to 96 | Size code, related to the bearing bore size |
../500 to /530 | Size code, related to the bearing bore size |
![]() | Suffixes1) | |
– | Housing for bearings on an adapter sleeve and a plain shaft | |
G | Housing for bearings on a cylindrical seat and a stepped shaft | |
L | Housing for a non-locating bearing arrangement | |
F | Housing for a locating bearing arrangement | |
TURT | Housing prepared for oil lubrication, including seals, for use with spherical roller bearings | |
TURA | Housing prepared for oil lubrication, including seals, for use with CARB toroidal roller bearings | |
TURP | Housing with seals for circulating oil lubrication systems and large axial shaft movements | |
V | Housing with a grease escape hole in the base | |
T | Drilled and tapped hole 1/8-27 NPSF at one side of the housing cap (opposite the lock nut) for a grease fitting | |
TD | Drilled and tapped hole 1/8-27 NPSF at both sides of the housing cap for a grease fitting | |
SN | Drilled and tapped M8 hole for sensors |
- 1)When multiple suffixes are used, they are listed in the same order as shown here.