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1mm-25.4mm 1/4" 5/16" Ball Bearings Silicon Nitride Ceramic Balls G5 Precision

£230.70

Precision: G5; Tolerance: ±0.0002 mm; Density: 3.20 g/cm³; Colour: Black; Material: Silicon Nitride; Hardness: HRC 75‑80; Fracture Toughness: 5.0‑7.0; Thermal Expansion Coefficient: 3.3; High Temperature Resistance up to 1200 °C.Features.

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