One Inch Silicon Nitride Ceramic Bearing Ball Si3N4 G5 Grade 25.4mm Diameter Ultra Low Friction High Precision Ball for Bearings and Precision Cycling Projects Pro Grade Build Outer Diameter - 7mm 7100" (Width)

7100" (Width)

Quantity: 1 Bearing 6004

90mm x 160mm x 40mm

pair of ball bearings are 2 duplex bearings

One Inch Silicon Nitride Ceramic Bearing Ball Si3N4 G5 Grade 25.4mm Diameter Ultra Low Friction High Precision Ball for Bearings and Precision Cycling Projects Pro Grade Build Outer Diameter - 7mm 7100" (Width)1 Inch Si3N4 Ceramic Bearing Ball, G5 Grade 25. 4mm Diameter: 1 inch (25. 4 mm); Si3N4 ceramic, G5 grade, 1 ball This 1 inch loose ceramic bearing ball is made from silicon nitride (Si3N4). It's known for ultra light weight, high hardness, and very low friction, making it ideal for precision cycling components, high speed tools, and other demanding motion systems. Pack size: 1 ball Diameter: 1 inch (25. 4 mm) Material: Silicon Nitride Ceramic (Si3N4)