Product Selector
SAFD528
Ductile iron housings for spherical roller bearings best suited for cold temperature or high impact / vibration applications. The split-housing design simplifies assembly and service. Standard base-to-shaft center, bolt hole slots, and envelope dimensions match industry standards. Tapered bore mount design speeds installation time.
Features and benefits
- Assembly includes pillow block, SR stabilizing ring, and LER labyrinth seals.
- Lubrication access points and pry slots on cap facilitate easy installation and maintenance.
- Heavy duty design to suit very large industrial applications.
- Standard Locknut, setting the industry standard.
- Excellence Made Standard.
- Proudly made in the USA for over 70 years.
- Available in shaft sizes from 1 7/16” though 7 15/16”, with special versions available up to 40” shaft size.
- SAF509 through SAF520 sizes have two bolt holes standard.SAF522 and above have four bolt holes.For sizes SAF515 through SAF520, four-bolt versions contain a prefix “F”.
- Grade 8 bolts fasten cap to base.
- Triple ring seals (LER series), and stabilizing ring (SR series) for fixed mounting, are included with pillow block.End caps sold separately.
- Oil return holes machined in the block protect the bearing from contamination.
- Multiple lubrication ports allow for either grease or oil lubrication.
- Machined G7 housing fit as a standard.
- Matched doweled base and cap sets facilitate exact alignment during installation.
- Cast from ASTM grade A536 Grade 65-45-12 ductile iron.Steel and cast iron versions available.
| Dimensions | |||
|---|---|---|---|
| S-1 | 4 15⁄16 | INCH | Shaft Diameter |
| A | 6 | INCH | A |
| B | 20 1⁄8 | INCH | B |
| C | 5 7⁄8 | INCH | C |
| D | 2 3⁄8 | INCH | D |
| EMAX | 17 1⁄8 | INCH | E Max. |
| EMIN | 16 | INCH | E Min. |
| F | 3 3⁄8 | INCH | F |
| H | 11 3⁄4 | INCH | H |
| K | 2 1⁄8 | INCH | K |
| L | 7 3⁄4 | INCH | L |
| Y | 2 13⁄32 | INCH | Y |
| BBRN | 4 | Base Bolts Required No. | |
| WEIGHT | 159 | LB | Assembly Weight |
| Included products | |
|---|---|
| Housing Only | SAFD528 |
| Stabilizing Ring | SR28-0 |
| Triple Seal 2 Req. | LER 122 |
| Optional products (Sold separately, complete unit available upon request) | |
|---|---|
| Bearing No. | 22228K |
| Adapter Assembly No. | SNW28X4.938 |