About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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About Tool Steel
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About Plastic
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About Aluminum
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About Rubber
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Hardened Bearing-Quality 440C Stainless Steel
- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
- Heat Treatment: Hardened
- Specifictions Met: See table
These balls are hardened for increased wear and abrasion resistance. 440C is one of the hardest types of stainless steel after heat treating. It's often used for bearings and valves. This material maintains its corrosion resistance in temperatures up to 800° F.
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 | Magnetic Properties | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 7/8" | -0.0005" to 0.0005" | Magnetic | 1 | 0000000 | 00000 |
Tight-Tolerance Hardened 440C Stainless Steel
With a diameter that’s held to a close tolerance, this material is hardened for increased wear and abrasion resistance. 440C is one of the hardest types of stainless steel after heat treating. This material maintains its corrosion resistance in temperatures up to 800° F.
Balls have a reflective, mirror-like appearance.
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.
- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
- Heat Treatment: Hardened
| Dia. | Dia. Tolerance | Magnetic Properties | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 7/8" | -0.0001" to 0.0001" | Magnetic | 1 | 0000000 | 00000 |
Corrosion-Resistant 316 Stainless Steel
The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications. It maintains its corrosion resistance up to the maximum temperature.
Balls have a reflective, mirror-like finish.
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.
- Yield Strength: Not Rated
- Hardness: Rockwell C25 (Hard)
- Heat Treatment: Not Rated
- Heat Treatable: No
- Specifications Met: Not Rated
| Dia. | Dia. Tolerance | Mechanical Finish | Appearance | Max. Temp., °F | Pkg. Qty. | Pkg. | |
316 Stainless Steel  | |||||||
|---|---|---|---|---|---|---|---|
Inch | |||||||
| 7/8" | -0.001" to 0.001" | Tumbled | Mirror-Like | 1500° | 1 | 00000000 | 000000 |
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 | |||||
|---|---|---|---|---|---|
| 7/8" | -0.0001" to 0.0001" | Hardened | 10 | 0000000 | 000000 |
Low-Carbon Steel Balls
- Yield Strength: 44,000 psi
- Hardness: Rockwell C60 (Very Hard)
Low-carbon steel offers excellent weldability. It's widely used for parts that don’t require high strength, such as spacers.
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 | Mechanical Finish | Pkg. Qty. | Pkg. | |
Mirror-Like | ||||||
|---|---|---|---|---|---|---|
| 7/8" | -0.005" to 0.005" | Case Hardened | Tumbled | 20 | 00000000 | 000000 |
Ultra-Hard C2 Tungsten Carbide Balls
- Yield Strength: Not Rated
- Hardness: Rockwell C75 (Very Hard)
- Temper Rating: Not Rated
Tungsten carbide, sometimes called carbide, is harder than Corrosion-Resistant Tungsten with excellent wear resistance. Use it to machine long-lasting tools, such as end mills and inserts.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Mechanical Finish | Pkg. Qty. | Pkg. | |
| 7/8" | -0.0001" to 0.0001" | Polished | 1 | 0000000 | 0000000 |
Aluminum Balls
Lighter in weight than steel and stronger than plastic, these aluminum balls are widely used in bearings and in valves.
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 | Material | Yield Strength | Temper | Hardness | Heat Treatment | Pkg. Qty. | Pkg. | |
| 7/8" | -0.001" to 0.001" | 2024 Aluminum | 41,000 psi | T351 | Brinell 120 (Medium) | Hardened | 1 | 0000000 | 000000 |
Hardened Shock-Resistant S2 Tool Steel
- Yield Strength: 290,000 psi
- Hardness: Rockwell C55 (Very Hard)
- Specifications Met: ASTM A681
This S2 tool steel has been hardened for excellent strength and impact resistance. It has a tough core that resists breaking under shock loads.
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 | Mechanical Finish | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 7/8" | -0.001" to 0.001" | Ground and Polished | 10 | 0000000 | 000000 |
Wear-Resistant Easy-to-Machine Delrin® Acetal Resin Balls
- Color: White
- Temperature Range: -20° to 180° F
- Tensile Strength: 10,000-11,000 psi (Good)
- Impact Strength: 1-1.5 ft.-lbs./in. (Poor)
- Hardness: Rockwell R120-R122 (Hard)
- For Use Outdoors: No
- Specifications Met: FDA Compliant 21 CFR 177.2480
Able to hold tight tolerances, these balls resist expanding when exposed to heat and moisture. They have a naturally slippery, wear-resistant surface. Use them for bearings and low-load rolling applications. Delrin® acetal resin is also known as acetal homopolymer.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Pkg. Qty. | Pkg. | |
Inch | ||||
|---|---|---|---|---|
| 7/8" | -0.001" to 0.001" | 10 | 0000000 | 000000 |
Polypropylene Balls
- Color: Semi-Clear White
- Max. Temperature:
Solid Balls: 180° F
Hollow Balls: 220° F - Tensile Strength: 2,900-5,070 psi (Poor)
- Impact Strength: 0.9 ft.-lbs./in. (Poor)
- Hardness: Rockwell R99 (Hard)
- For Use Outdoors: No
- Specifications Met: See table
Resistant to swelling when exposed to water, these balls are often used in laboratory applications.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Specifications Met | Pkg. Qty. | Pkg. | |
Solid | |||||
|---|---|---|---|---|---|
| 7/8" | -0.002" to 0.002" | ASTM D4101 | 1 | 0000000 | 00000 |
Wear-Resistant Nylon Balls
- Color: Off-White
- Temperature Range: Not Rated
- Tensile Strength: 11,200-12,300 psi (Good)
- Impact Strength: 0.6-1.4 ft.-lbs./in. (Poor)
- Hardness: Rockwell R108-R121 (Hard)
- For Use Outdoors: No
Use these nylon 6/6 balls as bearings and in sealing applications. They have a slippery surface that reduces wear caused by friction.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Pkg. Qty. | Pkg. | |
Inch | ||||
|---|---|---|---|---|
| 7/8 " | -0.001" to 0.001" | 10 | 0000000 | 000000 |
High-Temperature Silicone Rubber Balls
- Color: White (semi-clear)
- Temperature Range: 0° to 400° F
- Tensile Strength: 2,000 psi
- For Use Outdoors: No
Use these balls as seals in pumps and check valves, or let them bounce inside of vibrating sifters as an effective screen cleaner. Silicone, commonly called polysiloxane, offers good resistance to ozone and salt water.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Durometer | Specifications Met | Pkg. Qty. | Pkg. | |
| 7/8" | -0.115" to +0.125" | 35A (Soft) | FDA Compliant 21 CFR 177.2600 | 5 | 0000000 | 000000 |
Stud-Mount Ball Transfers
Install these ball transfers in a threaded hole or use a nut to secure.
Steel balls are durable. Stainless steel balls offer the most corrosion resistance. Nylon and polypropylene balls are nonmarking. Nylon is stronger than polypropylene. However, polypropylene resists chemicals better than nylon.
Capacity is given for the ball up orientation. Using these ball transfers in a ball down or angled orientation could reduce the capacity stated.
For technical drawings and 3-D models, click on a part number.
| Ball Dia. | Cap., lbs. | Ht. | Dia. | Working Orientation | Thread Size | Stud Lg. | Each | ||
Steel Ball | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Zinc-Plated Steel Housing | |||||||||
| E | 1/2" | 65 | 11/16" | 7/8" | Ball Up, Ball Down | 1/4"-20 | 3/4" | 00000000 | 000000 |
Stainless Steel Ball | |||||||||
Stainless Steel Housing | |||||||||
| E | 1/2" | 100 | 11/16" | 7/8" | Ball Up, Ball Down | 1/4"-20 | 3/4" | 00000000 | 00000 |
Nylon Plastic Ball | |||||||||
Zinc-Plated Steel Housing | |||||||||
| E | 1/2" | 65 | 11/16" | 7/8" | Ball Up, Ball Down | 1/4"-20 | 3/4" | 00000000 | 00000 |
Stainless Steel Housing | |||||||||
| E | 1/2" | 65 | 11/16" | 7/8" | Ball Up, Ball Down | 1/4"-20 | 3/4" | 00000000 | 00000 |
Heavy Duty Stud-Mount Ball Transfers
Steel balls are durable.
Ball transfers with an angled working orientation can be used to form support stands.
Capacity is given for the ball up orientation. Using these ball transfers in a ball down or angled orientation could reduce the capacity stated.
For technical drawings and 3-D models, click on a part number.
| Ball Dia. | Cap., lbs. | Ht. | Dia. | Working Orientation | Thread Size | Stud Lg. | Each | ||
Steel Ball | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Black-Oxide Steel Housing | |||||||||
| D | 1/2" | 100 | 7/8" | 7/8" | Ball Up, Ball Down, Angle | 5/16"-24 | 1" | 0000000 | 000000 |
Press-Fit Ball Transfers
Drop-in design makes for easy installation.
Steel balls are durable. Stainless steel balls offer the most corrosion resistance. Nylon balls are nonmarking.
Ball transfers with an angled working orientation can be used to form support stands.
Capacity is given in ball up orientation. Ball down or angled could reduce the capacity stated.
For technical drawings and 3-D models, click on a part number.
| Ball Dia. | Cap., lbs. | Ht. | Dp. | Dia. | Working Orientation | Flange Dia. | Temperature Range, °F | Each | ||
Steel Ball | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Plated Steel Housing | ||||||||||
| A | 1/2" | 65 | 7/32" | 1/2" | 7/8" | Ball Up, Ball Down, Angle | 1/2" | __ | 0000000 | 000000 |
Stainless Steel Ball | ||||||||||
Stainless Steel Housing | ||||||||||
| A | 1/2" | 100 | 7/32" | 1/2" | 7/8" | Ball Up, Ball Down, Angle | 1/2" | __ | 0000000 | 00000 |
Nylon Plastic Ball | ||||||||||
Zinc-Plated Steel Housing | ||||||||||
| A | 1/2" | 65 | 7/32" | 1/2" | 7/8" | Ball Up, Ball Down, Angle | 1/2" | 32° to 250° | 0000000 | 00000 |
Heavy Duty Press-Fit Ball Transfers
Drop-in design makes for easy installation. When used at an angled working orientation, these ball transfers can be used to form support stands.
Steel balls are durable.
Capacity is given in ball up orientation. Ball down or angled could reduce the capacity stated.
For technical drawings and 3-D models, click on a part number.
| Ball Dia. | Cap., lbs. | Ht. | Dp. | Dia. | Working Orientation | Each | ||
Steel Ball | ||||||||
|---|---|---|---|---|---|---|---|---|
Black-Oxide Steel Housing | ||||||||
| A | 1/2" | 100 | 5/32" | 23/32" | 7/8" | Ball Up, Ball Down, Angle | 0000000 | 000000 |
Recessed Flange-Mount Ball Transfers
Transfers recess into the mounting surface for a low profile. These ball transfers can be used in an angled working orientation to form support stands.
Steel balls are durable. Stainless steel balls offer the most corrosion resistance. They don’t need to be lubricated.
Capacity is given for the ball up orientation. Using these ball transfers in a ball down or angled orientation could reduce the capacity stated.
For technical drawings and 3-D models, click on a part number.
Flange | Mounting Hole | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ball Dia. | Cap., lbs. | Ht. | Dp. | Dia. | Working Orientation | Dia. | No.of Mounting Holes | Dia. | Ctr.-to-Ctr. | Each | ||
Steel Ball | ||||||||||||
Zinc-Plated Steel Housing | ||||||||||||
| B | 5/8" | 25 | 13/32" | 5/16" | 7/8" | Ball Up, Ball Down, Angle | 1 5/8" | 2 | 1/8" | 1 3/16" | 0000000 | 000000 |
Stainless Steel Ball | ||||||||||||
Zinc-Plated Steel Housing | ||||||||||||
| B | 5/8" | 25 | 13/32" | 5/16" | 7/8" | Ball Up, Ball Down, Angle | 1 5/8" | 2 | 1/8" | 1 3/16" | 0000000 | 00000 |
Stainless Steel Housing | ||||||||||||
| B | 5/8" | 25 | 13/32" | 5/16" | 7/8" | Ball Up, Ball Down, Angle | 1 5/8" | 2 | 1/8" | 1 3/16" | 0000000 | 00000 |