Ultrasert | Spherical Plain Bearings
When your application calls for caustic wash-downs, water, dry abrasives and chemical immersion – Ultrasert heeds the call - all without the need for lubrication. Ultrasert can easily handle high-impact and vibration loads and temperatures up to 550º, and are easily interchangeable with standard spherical inserts.
Only Tri-Star’s Ultrasert can be easily interchanged with industry-standard spherical inserts and are immediately available off-the-shelf in several grades and sizes. Submit your Tech Specs to our engineering team today.
Ultrasert inserts will retrofit the following housings:
| Pillow Block | 2-Bolt | 4-Bolt | |
|---|---|---|---|
| Dodge | SC,SCTC,SXR | SC,SCTC | SC,SCTC |
| Fafnir | RAS,RASC | RCJT | RCJ |
| Browning | VPS | VF2S | VF4S |
| Sealmaster | NP | SFT | SF |
Ultrasert inserts are available in the following sizes:
| Size | Insert Diameter (OD) | Shaft Diameter metric | Shaft Diameter inch |
|---|---|---|---|
| 204 | 1.850 | 12,15,17,20 | 1/2,9/16,5/8,11/16,3/4 |
| 205 | 2.047 | 25 | 13/16,7/8,15/16,1 |
| 206 | 2.440 | 30 | 1-1/16,1-1/8,1-3/16,1-1/4 |
| 207 | 2.835 | 35 | 1-1/4,1-5/16,1-3/8,1-7/16 |
| 208 | 3.150 | 40 | 1-1/2,1-9/16 |
| 209 | 3.347 | 45 | 1-5/8,1-11/16,1-3/4 |
Ultraserts are virtually maintenance-free and offer:
- Self-lubrication
- Low maintenance
- Impact and vibration resistance
- Long wear life
- Interchangeable
Applications
- Food and beverage
- Timber, pulp and paper handling
- Wastewater and water treatment
- Conveyor systems
Review our brochure to learn more about Ultrasert.



