Interchangeable split plummer block housings designed strictly to ISO 113. Perfect replacement for older SN type housings with improved design stability.
SMR SNA housings are designed to be completely interchangeable with the older SN type housings in terms of bearing centre height and foundation bolt hole distances.
Designed on the building block principle, SNA series offers standard compatibility with various bearing types, sealing options, and relubrication configurations, allowing direct fitments without modifying foundation templates.
Fits old SN series layouts perfectly - zero modifications required for foundation plates.
Extra base ribbing enhances mechanical stiffness and prevents deformation under bolting load.
Easily select different bearings, adapter sleeves, and seals to suit specific applications.
Tapped cap grease hole allows relubrication directly into the bearing without disassembly.
TSN-G type - ideal for grease lubrication and moderate dust levels.
Offers axial exclusion - best suited for high-speed and splashing environments.
FS type - simple and cost-effective sealing for clean and dry conditions.
Housings for shaft ends can be supplied with plastic or metal end covers.
| Housing Code | Shaft Dia (mm) | Sub-Series |
|---|---|---|
| SNA 505 | 20 | SNA 500 |
| SNA 506 | 25 | SNA 500 |
| SNA 507 | 30 | SNA 500 |
| SNA 508 | 35 | SNA 500 |
| SNA 509 | 40 | SNA 500 |
| SNA 510 | 45 | SNA 500 |
| SNA 511 | 50 | SNA 500 |
| SNA 512 | 55 | SNA 500 |
| SNA 513 | 60 | SNA 500 |
| SNA 515 | 65 | SNA 500 |
| SNA 516 | 75 | SNA 500 |
| SNA 517 | 80 | SNA 500 |
| SNA 518 | 85 | SNA 500 |
| SNA 520 | 90 | SNA 500 |
| SNA 522 | 100 | SNA 500 |
| SNA 524 | 110 | SNA 500 |
| SNA 528 | 125 | SNA 500 |
| SNA 532 | 145 | SNA 500 |
SNA 600 series and S.G. iron variants (SSNAD) also available. Full dimensional data on request.
Share your shaft diameter and application details — our team will respond within 24 hours with pricing and availability.