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Babbitt Bearing Alloys

Babbitt Bearing Alloys are the most popular alloys in use today. Grades 1, 2, 3 and 11 are cast in a 3/4" x 1.5" x 4" ingot and weigh approximately 1 pound. The other grades of Babbitt alloys are cast into bar shaped ingots that are approximately 8-3/4" x 1" x 2" and weigh anywhere from 3.5 to 5 pounds (exact weight depends on the alloy). Click on the item description to see average weight for each ingot. These alloys can also be used to cast into Plaster of Paris, sand, and rubber molds, or spin casting. If you need an alloy or grade that is not listed here, please call for a price.

For directions on how to pour Babbitt Bearings- Please click here.

Price is per ingot, please note that prices will change weekly according to market fluctuations.

Babbitt name ASTM B23 /
QQ-T-390
Lead % Tin % Antimony % Copper %
Number 1 Grade 1 0% 90-92% 4-5% 4-5%
RotoNickel -.15% Monel Grade 2 0% 88-90% 7-8% 3-4%
Super Tough Grade 3 0% 83-85% 7.5-8.5% 7.5-8.5%
Grade 11 (SAE-11) Grade 11 0% 86-89% 6-7.5% 5-6.5%
Copper Hard Grade 6 + 50-52% 35-37% 11-13% 0.5-1.5%
Formula 0 Heavy Pressure Grade 7 74-76% 9.3-10.7% 14-16% 0%
Number 4 Hardware - 84-86% 1-2% 12-14% 0%
Grade 13 Grade 13 83-85% 5.5-6.5% 9.5-10.5% 0%
Merit Babbitt   73-75% 9-10% 15-17% 0%
Royal Grade 8 79-81% 4.5-5.5% 14-16% 0%





 

 

 

 

 

 

 

 

 

 

Babbitt Name ASTM B23/QQ-T-390 Melting Temperature Pouring Temperature
Number 1 Grade 1 433F 825F
RotoNickel - .15% Monel Grade 2 466F 795F
Super Tough Grade 3 464F 915F
Grade 11 (SAE-11) Grade 11 470F 620F
Copper Hard Grade 6+ 360F 655F
Formula 0 Heavy Pressure Grade 7 464F 640F
Number 4 Hardware - 473F 625F
Grade 13 Grade 13 485F 620F
Merit Babbitt - 450F 645F
Royal Grade 8 459F 645F