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![]() | Ball |
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![]() | Black |
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About Rubber
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Oil-Resistant Buna-N Rubber Balls

- Color: Black
- Temperature Range: -40° to 212° F
- Tensile Strength: 1,800 psi
- For Use Outdoors: No
Use these balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. Buna-N is also known as nitrile, NBR, and acrylonitrile butadiene. It offers good resistance to petroleum-based oils.
For technical drawings and 3-D models, click on a part number.
Dia. | Dia. Tolerance | Durometer | Specifications Met | Each | |
1/8" | -0.005" to +0.005" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 00000 |
3/16" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
7/32" | -0.005" to +0.005" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
1/4" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
5/16" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
3/8" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
7/16" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
1/2" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
5/8" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |
3/4" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF, ASTM D2000 BG | 0000000 | 0000 |