Stainless Hybrid Ceramic Ball Bearings Bore 2mm 3mm 4mm 5mm 6mm 7mm 8mm 10mm ZZ Shielde Fishing Reel Miniature Bearing

Made of stainless steel and ceramic balls, these bearings are perfect for fishing reels or other projects that require high speed, water resistance, and rust resistance. Ring material: 440 stainless steel Ball material: ceramic (silicon nitride) Lubrication: no, ceramic balls are self-lubricating Seals: both sides are shielded Dimension order: inner diameter x outer diameter x width The first number is inner diameter, the second number is outer diameter, and the third number is the width. The following picture is an example of 5x10x4mm