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About Rubber
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Hard Wear-Resistant 52100 Alloy Steel Balls
- Yield Strength: 295,000 psi
- Hardness: Rockwell C60 (Very Hard)
- Specifications Met: See table
Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
| Dia. | Dia. Tolerance | Heat Treatment | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 4 1/2" | -0.003" to 0.003" | Hardened | 1 | 00000000 | 0000000 |
Abrasion-Resistant Polyurethane Rubber Balls
Use these polyurethane balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. They are made of polyurethane, which combines the shock absorbing qualities of rubber with the strength of plastic.
For technical drawings and 3-D models, click on a part number.
- Color: Black
- Temperature Range: -20° to 200° F
- Tensile Strength: 5,600 psi
- For Use Outdoors: Yes
| Dia. | Dia. Tolerance | Durometer | Each | |
| 4 1/2" | -0.020" to +0.020" | 95A (Extra Hard) | 0000000 | 000000 |
Floats for Threaded Rods
Connect these floats to threaded float rods (not included). Use them to replace an existing float or combine with rods and float valve bodies (not included) to build a float valve. All are for use with water.
Stainless steel floats have excellent corrosion resistance and are also for use with oil.
| Dia. | Pipe Size | Thread Type | Max. Pressure, psi | Temp. Range, °F | Gauge | For Container Type | Each | |
| 4 1/2" | 1/8 | NPT | 562 | -30° to 225° | 20 ga. | Open Tank, Closed Tank | 0000000 | 000000 |
| Dia. | Pipe Size | Thread Type | Max. Pressure, psi | Temp. Range, °F | Gauge | For Container Type | Each | |
| 4 1/2" | 1/8 | NPT | 562 | -30° to 225° | 20 ga. | Open Tank, Closed Tank | 0000000 | 000000 |