About Stainless Steel
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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Hardened Bearing-Quality 440C Stainless Steel

- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
- Heat Treatment: Hardened
- Specifications Met: SAE AMS5630
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 | |||||
---|---|---|---|---|---|
1 3/16" | -0.0005" to 0.0005" | Magnetic | 1 | 0000000 | 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 | |||||
---|---|---|---|---|---|
1 3/16" | -0.0001" to 0.0001" | Hardened | 1 | 0000000 | 00000 |
Recessed Flange-Mount Ball Transfers

Transfers recess into the mounting surface for a low profile.
Steel balls are durable. 420 stainless steel and 440 stainless steel balls offer the most corrosion resistance.
Ball transfers with an angled working orientation can be used to form stock stands.
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. | Temperature Range, °F | Each | ||
Steel Ball | |||||||||||||
Zinc-Plated Steel Housing | |||||||||||||
B | 3/4" | 20 | 13/32" | 15/32" | 1 3/16" | Ball Up, Ball Down, Angle | 2 13/32" | 2 | 7/32" | 1 3/4" | __ | 0000000 | 00000 |
420 Stainless Steel Ball | |||||||||||||
Stainless Steel Housing | |||||||||||||
B | 3/4" | 20 | 13/32" | 15/32" | 1 3/16" | Ball Up, Ball Down, Angle | 2 13/32" | 2 | 7/32" | 1 3/4" | -22° to 128° | 0000000 | 00000 |