silicon nitride (si3n4) ceramic bearing balls

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Product: Bearing Ball Material: Si3N4 Applications: High speed: Machining tools, turbo chargers; Corrosion resistant: Chemical plant equipment, semiconductor manufacturing equipment (acid resistant & alkaline resistant) High temperature: Heat treatment furnace parts (Heat resistant) High vacuum: Turbo molecular pumps (Low dust) High insulation: Electric motors (anti-electric corrosion) Ultra-low temperature: Turbo pumps for space shuttles Description: This product is manufactured under CIP (Cold Isostatic Pressing) and hot-press based special sintering methods. Walsun Si3n4 bearing balls are advantageous in having a longer service life, lower friction resistance, higher seizure resistance, higher corrosion resistance, higher rigidity, higher temperature resistance ( up to 800C) lightweight (40% of bearing steel), non magnetic, and insulated. They can be used even in an extra high - vacuum environment. Dimensions: We offer from 1/16" to 1-5/8" bearing balls. Advantages: See 'Comparison of properties with steel bearings' Parameters: Grade Diameter Variation Vdws / Sphere Deviation Sph / Lot Diameter Variation Vdwl / Surface Roughness Ra G3 0.05-0.07 0.05-0.07 <0.13 0.009-0.01 G5 0.08-0.12 0.08-0.12 <0.25 0.009-0.01 G10 0.15-0.20 0.15-0.20 <0.5 0.014-0.018 G16 0.2-0.25 0.2-0.25 <0.8 <0.025 G20 0.3-0.4 0.3-0.4 <1 <0.032 G28 0.4-0.7 0.4-0.7 <1.4 <0.0105

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Walsun Tech & Trade Co., Ltd.

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