25 1/4″ Inch G5 Precision Si3N4 Silicon Nitride Ceramic Bearing Balls

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Standard Diameter: 1/4″ / .25 InchesMetric Diameter: 6.35Grade: 5Material: Si3N4 Silicon NitrideBall Weight (each): .01531 Ounces / 0.434 GramsSilicon Nitride (Si3N4) Ceramic Balls are formed from a new material suitable for applications where high loads, high speeds and extreme temperatures are factors. Long life and the need for minimal lubrication make this material appropriate for extreme applications. Silicon nitride is a non-porous, non-magentic, non corrosive, and lighter than steel material. Silicone nitride balls are harder than steel allowing them to withstand the most rigorous environments. Ceramic balls are almost friction-less because they are non-porous which gives them the ability to spin faster than steel balls.

4mm ZrO2 Zirconium Oxide Ceramic Ball Bearings G5

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Standard Diameter: .15748 InchesMetric Diameter: 4mmGrade: 5Material: ZrO2 Zirconium OxideBall Weight (each): .00381 Ounces / 0.108 Grams Zirconium Oxide ZrO2 (also known as zirconia) is a material with very high resistance to crack propagation. Another outstanding property combination is the very low thermal conductivity and high strength. Used in applications such as precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments. They are used in the medical field as this is a very pure material as well as in grinding and milling functions. eBay store powered by Shopping Feed.

1/4″ Inch ZrO2 Zirconium Oxide Ceramic Ball Bearings G5

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Standard Diameter: 1/4″ / .25 InchesMetric Diameter: 6.35Grade: 5Material: ZrO2 Zirconium OxideBall Weight (each): .01531 Ounces / 0.434 Grams Zirconium Oxide ZrO2 (also known as zirconia) is a material with very high resistance to crack propagation. Another outstanding property combination is the very low thermal conductivity and high strength. Used in applications such as precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments. They are used in the medical field as this is a very pure material as well as in grinding and milling functions. eBay store powered by Shopping Feed.

3/16″ Inch ZrO2 Zirconium Oxide Ceramic Ball Bearings G5

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Standard Diameter: 3/16″ / .1875 InchesMetric Diameter: 4.7625mmGrade: 5Material: ZrO2 Zirconium OxideBall Weight (each): .006473 Ounces / 0.1836 Grams Zirconium Oxide ZrO2 (also known as zirconia) is a material with very high resistance to crack propagation. Another outstanding property combination is the very low thermal conductivity and high strength. Used in applications such as precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments. They are used in the medical field as this is a very pure material as well as in grinding and milling functions. eBay store powered by Shopping Feed.

1000 5/32” Inch G25 Precision 440 Stainless Steel Bearing Balls

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Standard Diameter: 5/32″ / .15625 InchesMetric Diameter: 3.9688mmGrade: 25Material: 440 Stainless SteelBall Weight (each): .009001 Ounces / 0.2554 Grams440 stainless steel balls offer the precise geometry and fine surface finish that makes them especially useful for bicycles, casters, drawer slides, door locks and many other applications with the added benefit of corrosion resistance. 440 stainless steel is a high carbon martensitic stainless steel which has high strength, good hardness and wear resistance. This type of stainless is capable of attaining, after heat treatment, the highest strength, hardness and wear resistance of all the stainless alloys. Unlike some stainless steel, this 400 series metal has a composition which allows it to be attracted to a magnet.

200 3/4″ Inch G25 Precision 440 Stainless Steel Bearing Balls

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Standard Diameter: 3/4″ / .75 InchesMetric Diameter: 19.05mmGrade: 25Material: 440 Stainless SteelBall Weight (each): .99635 Ounces / 28.246 Grams440 stainless steel balls offer the precise geometry and fine surface finish that makes them especially useful for bicycles, casters, drawer slides, door locks and many other applications with the added benefit of corrosion resistance. 440 stainless steel is a high carbon martensitic stainless steel which has high strength, good hardness and wear resistance. This type of stainless is capable of attaining, after heat treatment, the highest strength, hardness and wear resistance of all the stainless alloys. Unlike some stainless steel, this 400 series metal has a composition which allows it to be attracted to a magnet.