St. Marys Carbon custom manufactures many sizes, shapes and quantities of carbon graphite bearings, including Radial, Thrust and Sleeve. All of our bearings, from the blending of the raw materials to the finished product, are made in-house by our specialized craftsmen.
Our bearings and bushings are made from the following materials:
We also offer various impregnations and treatments to further fit your application needs.
We can custom-manufacture our bearings and bushings to your specific carbon grade requirements. We develop our own proprietary grades and manufacture each product in-house, so we will work closely with you to create a product that is right for you.
| Grade | Density(lbs./ft.3) | Flexural Strength (psi) | Compressive Strength (psi) | Coefficient of Thermal Expansion (u/°F) | Temperature Limit Neutral (°F) | Temperature Limit Oxidizing (°F) | Scleroscope Hardness | Applications |
|---|---|---|---|---|---|---|---|---|
| 181C | 111.07 | 10,000 | 30,000 | 3.06 | 500 | 500 | 90 | Bearings / Brushings |
| 75 | 106.08 | 8,100 | 21,500 | 2.80 | 3,000 | 750 | 80 | Bearings / Brushings |
| 75C | 112.32 | 9,300 | 30,000 | 3.25 | 500 | 500 | 95 | Bearings / Brushings |
| 416 | 115.50 | 13,000 | 33,000 | 2.80 | 500 | 500 | 95 | Bearings / Brushings |
| 35 | 109.20 | 7,000 | 17,500 | 2.40 | 5,000 | 850 | 60 | Bearings / Brushings |
| 35AH | 109.20 | 7,500 | 17,000 | 2.40 | 1,500 | 1,150 | 65 | Bearings / Brushings |
| 245 | 113.00 | 8,000 | 16,000 | 2.30 | 5,000 | 850 | 80 | Bearings / Brushings |
| 233 | 118.56 | 8,000 | 22,000 | 2.30 | 1,000 | 1,000 | 90 | Bearings / Brushings |
For more information about our services, call us at 814.781.7333
Greatly reduces failure rates and allows for use in sanitary environments due to its self-lubricating properties.
Maintains high strength and runs effectively without failure at high temperatures.
Resists wear and reduces friction as it is chemically inert, oxidation-resistant and self-lubricating.
Our bearings are used in a wide range of end products as listed below. Remember that we custom-design our products to fit your needs, so please contact us if you have a need outside of those below and we’ll work with you to find a solution.
You can find our bearings and bushings used across a wide range of different markets, including: