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Hardness Rating
Steel Balls
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Wear-Resistant 52100 Alloy Steel—High carbon and chromium content makes this 52100 alloy steel extremely hard and resistant to wear. It’s also known as chrome steel. Often used as bearings, these balls are hardened for increased abrasion and impact resistance.
Tight-Tolerance Wear-Resistant 52100 Alloy Steel—The diameter of these balls is held to a precise tolerance. They’re made from 52100 alloy steel, also known as chrome steel, which has high levels of carbon and chromium to make them extremely hard and resistant to wear. Often used as bearings, these balls are also hardened to increase their abrasion and impact resistance.
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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 | Yield Strength, psi | Mechanical Finish | Hardness | Appearance | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wear-Resistant 52100 Alloy Steel | ||||||||||||
| 1 3/16" | -0.0001" to 0.0001" | Hardened | 295,000 | — | Rockwell C60 (Extra Hard) | Mirror Like | — | 1 | 9528K43 | 00000 | ||
Tight-Tolerance Wear-Resistant 52100 Alloy Steel | ||||||||||||
| 1 3/16" | -0.00005" to 0.00005" | Hardened | 295,000 | Ground, Polished | Rockwell C60 (Extra Hard) | Mirror Like | ASTM A295 | 1 | 9528K532 | 00000 | ||
Hardened Ultra-Wear-Resistant 440C Stainless Steel Balls
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The best choice for high-performance bearings and valves, these 440C stainless steel balls are among the strongest, hardest, and most wear-resistant we offer. They’re passivated to wash away surface particles that cause rust, and they’re polished to a mirror-like finish that contaminants can’t stick to. The result is balls that stay smooth and stand the test of time—even at temperatures up to 800° F. They’re made to strict ISO 3290 standards for roundness and surface quality.
These balls are magnetic, so you can use them in separators, sensors, and automated handling systems that use magnetic pickup or positioning.
Grade 100—Great for mechanical applications where you don’t need the exacting tolerances of Grade 25.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Stainless Steel Balls | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Hardness | Specs. Met | Magnetic Properties | Appearance | Pkg. Qty. | Pkg. | |||
Grade 100 | ||||||||||
| 1 3/16" | -0.0005" to 0.0005" | Rockwell C58 (Extra Hard) | ISO 3290 | Magnetic | Mirror Like | 1 | 9529K55 | 000000 | ||
Recessed Flange-Mount Ball Transfers
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Style B |
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.
Weight capacity is given for the ball up orientation. Using these ball transfers in a ball down or angled orientation could reduce the weight capacity stated.
Steel Ball—Steel balls are durable.
Stainless Steel Ball—Stainless steel balls offer the most corrosion resistance. They also don’t need to be lubricated.
Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Ball Dia. | Wt. Cap., lb. | Ht. | Dp. | Dia. | Working Orientation | Flange Dia. | No. of Mounting Holes | Dia. | Ctr.-to-Ctr. | Each | |||
Steel Ball | ||||||||||||||
Zinc-Plated Steel Housing | ||||||||||||||
| B | 3/4" | 55 | 13/32" | 15/32" | 1 3/16" | Ball Up, Ball Down, Angled | 2 13/32" | 2 | 7/32" | 1 3/4" | 2415T15 | 000000 | ||
Stainless Steel Ball | ||||||||||||||
Stainless Steel Housing | ||||||||||||||
| B | 3/4" | 55 | 13/32" | 15/32" | 1 3/16" | Ball Up, Ball Down, Angled | 2 13/32" | 2 | 7/32" | 1 3/4" | 2415T16 | 00000 | ||
Flange-Mount Ball Transfers
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Style C |
Bolt these ball transfers to a fixed surface to move loads freely in any direction. Use them on conveyor lines, assembly tables, or anywhere movement is needed.
Steel Ball—Steel balls are durable.
Weight Capacity—Weight capacity is given for the ball up orientation. Using these ball transfers in a ball down or angled orientation could reduce the weight capacity stated.
Flange | Mounting Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Ball Dia. | Wt. Cap., lb. | Ht. | Dia. | Working Orientation | Lg. | Wd. | No. of Mounting Holes | Dia. | Ctr.-to-Ctr. | Each | |||
Steel Ball | ||||||||||||||
Zinc-Plated Steel Housing | ||||||||||||||
| C | 1" | 110 | 1 13/32" | 1 3/16" | Ball Up | 2 17/32" | 1 23/32" | 2 | 7/32" | 1.875" | 5674K126 | 000000 | ||
