
Upgrade your Babbitt Bearings to Pioneer StannuMAX™
Pioneer StannuMAX™ High Temperature Babbitt
The patent for TEGOSTAR™* Babbitt Material has expired. As a result, Pioneer Motor Bearing offers a generic material, StannuMAX™ babbitt, with equivalent chemical composition.
As an end-customer you no longer have to wait for extended babbitt delivery times from a single source in a foreign country. Pioneer has reduced the material lead-time from months to days. We work with a number of partners in our supply chain to ensure StannuMAX™ is the equivalent chemical blend to what your machinery requires.
This babbitt is supplied in accordance with Siemens Specification TLV997701_072017, as called out in paragraph 4. Chemical Composition in wt.-%, shown in the following table:

StannuMAX™ specimens machined into “dogbones” for mechanical destructive testing in the laboratory.
Pioneer StannuMAX™ chemical composition (%- weight):
Sn | Sb | Cu | Zn | Ag | Pb |
---|---|---|---|---|---|
Balance % (79.65-82.95%) | 11-13% | 5.5-6.5% | 0.5-0.7% | 0.05-0.15% | =<.06% |
TEGOSTAR™ Chemical Composition:
Sn | Sb | Cu | Zn | Ag | Pb |
---|---|---|---|---|---|
Rest / balance ca. 81% | 12±1 | 6±0,5 | 0,6±0,1 | 0,1±0,05 | < 0,06 |
Load Carrying Capabilities
Depending on your machine setup you may want a babbitt blend that has more load carrying capability as well as a higher thermal tolerance.
Material Acquisition Times if Not in Stock at Pioneer
0 Days
Pioneer StannuMAX
0 Days
Tegostar
Worldwide StannuMAX Manufacturing Locations
An Extensive Worldwide Network
Pioneer maintains an extensive domestic and foreign network of trusted suppliers that can furnish StannuMAX™ to our exact requirements. Whereas Tegostar is only produced by a single source in a foreign country.
*TEGOSTAR™ is trademarked by ECKA brand (SCM Metal Products, Inc.)